# 553

## 553 is an odd composite number composed of two prime numbers multiplied together.

What does the number 553 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

553 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 553:

### 7 × 79

See below for interesting mathematical facts about the number 553 from the Numbermatics database.

### Names of 553

• Cardinal: 553 can be written as Five hundred fifty-three.

### Scientific notation

• Scientific notation: 5.53 × 102

### Factors of 553

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 86

### Divisors of 553

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 640
• Sum of proper divisors (its aliquot sum) s(n): 87
• 553 is a deficient number, because the sum of its proper divisors (87) is less than itself. Its deficiency is 466

### Bases of 553

• Binary: 10001010012
• Base-36: FD

### Squares and roots of 553

• 553 squared (5532) is 305809
• 553 cubed (5533) is 169112377
• The square root of 553 is 23.5159520327
• The cube root of 553 is 8.2080824531

### Scales and comparisons

How big is 553?
• 553 seconds is equal to 9 minutes, 13 seconds.
• To count from 1 to 553 would take you about four minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 553 cubic inches would be around 0.7 feet tall.

### Recreational maths with 553

• 553 backwards is 355
• The number of decimal digits it has is: 3
• The sum of 553's digits is 13
• More coming soon!