The number 55029
55029 is a composite number with 16 divisors. Its prime factorisation is 3 × 13 × 17 × 83. Divisors (16): 1, 3, 13, 17, 39, 51, 83, 221, 249, 663, 1079, 1411, 3237, 4233, 18343, 55029.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55029 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55029 is composite. Its prime factorisation is
- 3
The divisors add up to 84672; without 55029 itself that is 29643, so 55029 is deficient (29643 is less than 55029). Euler's totient φ(55029) = 31488 numbers up to 55029 share no factor with it.
- 4
The digits of 55029 add up to 21, and repeating that until one digit is left gives the digital root 3. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55029 = 3 \times 13 \times 17 \times 83 \]
55029 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 84672 |
| Euler totient φ(n) | 31488 |
| Square | 3028190841 |
| Cube | 166638313789389 |
| Square root | 234.582608 |
| Digit sum / digital root | 21 / 3 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5029 × |
55029 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand and twenty-nine |
| Binary (base 2) | 1101011011110101 |
| Octal (base 8) | 153365 |
| Hexadecimal (base 16) | D6F5 |
| Base 3 | 2210111010 |
| As time | 55029 seconds = 15 h 17 min 9 s |
Is 55029 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (55029 ÷ 3 = 18343) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 5) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 3) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55029 a prime number?
No. 55029 = 3 × 13 × 17 × 83, so it is divisible by 3.
What are the factors of 55029?
1, 3, 13, 17, 39, 51, 83, 221, 249, 663, 1079, 1411, 3237, 4233, 18343, 55029.
What is 55029 in binary?
1101011011110101 (hexadecimal D6F5, octal 153365).
What is the square root of 55029?
About 234.5826.
Is 55029 divisible by 3?
Yes. Its digits add up to 21, a multiple of 3.
What is special about the number 55029?
It is a composite number with 16 divisors.