55,421 in words
55,421
fifty-five thousand four hundred and twenty-one
55,421 is written fifty-five thousand four hundred and twenty-one.
Ways to write it
- As an ordinal
- fifty-five thousand four hundred and twenty-first
- Expanded form
- 50,000 + 5,000 + 400 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 5 | 50,000 |
| thousands | 5 | 5,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 157, 353 and 55,421 (4 factors)
- First 10 multiples
- 55,421, 110,842, 166,263, 221,684, 277,105, 332,526, 387,947, 443,368, 498,789, 554,210
- Square
- 55,421 × 55,421 = 3,071,487,241
- Square root
- ≈ 235.42
- Sum of the digits
- 5 + 5 + 4 + 2 + 1 = 17
- Rounded to the nearest 10
- 55,420
- Rounded to the nearest 100
- 55,400
- Rounded to the nearest 1000
- 55,000
- Number before
- 55,420
- Number after
- 55,422
- In binary
1101100001111101
Quick check
What number comes just after 55,421?
Show the answer
55,422
Is 55,421 even or odd?
Show the answer
Odd
What is 55,421 + 10?
Show the answer
55,431
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 55,421 in words?
55,421 is written "fifty-five thousand four hundred and twenty-one".
Is 55,421 a prime number?
No. 55,421 is a composite number, because it has more than two factors.
What are the factors of 55,421?
The factors of 55,421 are 1, 157, 353 and 55,421.