550 in words
550
five hundred fifty
550 is written five hundred fifty.
Ways to write it
- As an ordinal
- five hundred fiftieth
- Roman numeral
- DL
- Expanded form
- 500 + 50
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 5 | 500 |
| tens | 5 | 50 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275 and 550 (12 factors)
- First 10 multiples
- 550, 1,100, 1,650, 2,200, 2,750, 3,300, 3,850, 4,400, 4,950, 5,500
- Square
- 550 × 550 = 302,500
- Square root
- ≈ 23.45
- Sum of the digits
- 5 + 5 + 0 = 10
- Rounded to the nearest 10
- 550
- Rounded to the nearest 100
- 600
- Number before
- 549
- Number after
- 551
- In binary
1000100110
Quick check
What number comes just after 550?
Show the answer
551
Is 550 even or odd?
Show the answer
Even
What is 550 + 10?
Show the answer
560
Practice with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 550 in words?
550 is written "five hundred fifty".
Is 550 a prime number?
No. 550 is a composite number, because it has more than two factors.
What are the factors of 550?
The factors of 550 are 1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275 and 550.
How do you write 550 in Roman numerals?
550 in Roman numerals is DL.