55,021 in words
55,021
fifty-five thousand and twenty-one
55,021 is written fifty-five thousand and twenty-one.
Ways to write it
- As an ordinal
- fifty-five thousand and twenty-first
- Expanded form
- 50,000 + 5,000 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 5 | 50,000 |
| thousands | 5 | 5,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Prime
- Factors
- 1 and 55,021 (2 factors)
- First 10 multiples
- 55,021, 110,042, 165,063, 220,084, 275,105, 330,126, 385,147, 440,168, 495,189, 550,210
- Square
- 55,021 × 55,021 = 3,027,310,441
- Square root
- ≈ 234.57
- Sum of the digits
- 5 + 5 + 0 + 2 + 1 = 13
- Rounded to the nearest 10
- 55,020
- Rounded to the nearest 100
- 55,000
- Rounded to the nearest 1000
- 55,000
- Number before
- 55,020
- Number after
- 55,022
- In binary
1101011011101101
Quick check
What number comes just after 55,021?
Show the answer
55,022
Is 55,021 even or odd?
Show the answer
Odd
What is 55,021 + 10?
Show the answer
55,031
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 55,021 in words?
55,021 is written "fifty-five thousand and twenty-one".
Is 55,021 a prime number?
Yes. 55,021 is a prime number: its only factors are 1 and 55,021.
What are the factors of 55,021?
The factors of 55,021 are 1 and 55,021.