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550

Number 550: Properties, Factors, and Mathematical Facts

Short answer

The number 550 is an even composite number with 12 positive divisors. Its prime factorization is 2 × 5² × 11. It is also an abundant number, which gives it several notable mathematical relationships.

Is 550 prime?

ClassificationCompositeParityEvenDivisor count12AbundanceAbundant

What is the prime factorization of 550?

Prime factorization

550 =
2 times 5 squared times 11
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What are the divisors of 550?

Divisor count

12

Divisor sum

1,116

Proper divisor sum

566
  • 1
  • 2
  • 5
  • 10
  • 11
  • 22
  • 25
  • 50
  • 55
  • 110
  • 275
  • 550

How is 550 classified?

Prime

Perfect square

No

Perfect cube

No

Fibonacci

No

Triangular

No

Power of two

No

How is 550 represented in other numeral systems?

Decimal

550

Binary

1000100110
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Octal

1046

Hexadecimal

In words

five hundred fifty

Roots and powers

Square root

23.452079 Approximate

Cube root

8.193213 Approximate

Nearest lower square

529

Nearest higher square

576

Nearest lower cube

512

Nearest higher cube

729

What are the digit properties of 550?

Digit count

3

Digit sum

Digit product

0

Digital root

1

Reversed number

55

Why these results are true

  • 550 is composite because it has positive divisors other than 1 and itself.
  • 550 is abundant because the sum of its proper divisors (566) is greater than 550.

Compare this number

FAQ for 550

Is 550 prime?
No
What is the prime factorization of 550?
2 × 5² × 11
Is 550 a perfect square?
No
What is 550 in binary?
1000100110
What is 550 in Roman numerals?
DL

Read calculation methodology