55,221 in words
55,221
fifty-five thousand two hundred and twenty-one
55,221 is written fifty-five thousand two hundred and twenty-one.
Ways to write it
- As an ordinal
- fifty-five thousand two hundred and twenty-first
- Expanded form
- 50,000 + 5,000 + 200 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 5 | 50,000 |
| thousands | 5 | 5,000 |
| hundreds | 2 | 200 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 79, 233, 237, 699, 18,407 and 55,221 (8 factors)
- First 10 multiples
- 55,221, 110,442, 165,663, 220,884, 276,105, 331,326, 386,547, 441,768, 496,989, 552,210
- Square
- 55,221 × 55,221 = 3,049,358,841
- Square root
- ≈ 234.99
- Sum of the digits
- 5 + 5 + 2 + 2 + 1 = 15
- Rounded to the nearest 10
- 55,220
- Rounded to the nearest 100
- 55,200
- Rounded to the nearest 1000
- 55,000
- Number before
- 55,220
- Number after
- 55,222
- In binary
1101011110110101
Quick check
What number comes just after 55,221?
Show the answer
55,222
Is 55,221 even or odd?
Show the answer
Odd
What is 55,221 + 10?
Show the answer
55,231
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 55,221 in words?
55,221 is written "fifty-five thousand two hundred and twenty-one".
Is 55,221 a prime number?
No. 55,221 is a composite number, because it has more than two factors.
What are the factors of 55,221?
The factors of 55,221 are 1, 3, 79, 233, 237, 699, 18,407 and 55,221.