The number 55059
55059 is a composite number with 4 divisors. Its prime factorisation is 3 × 18353. Divisors (4): 1, 3, 18353, 55059.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55059: a semiprime: 3 × 18353, the product of two primes.
- 2
55059 is composite. Its prime factorisation is
- 3
The divisors add up to 73416; without 55059 itself that is 18357, so 55059 is deficient (18357 is less than 55059). Euler's totient φ(55059) = 36704 numbers up to 55059 share no factor with it.
- 4
The digits of 55059 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 166 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55059 = 3 \times 18353 \]
55059 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 73416 |
| Euler totient φ(n) | 36704 |
| Square | 3031493481 |
| Cube | 166910999570379 |
| Square root | 234.646543 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 166 |
| Scientific notation | 5.5059 × |
55059 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand and fifty-nine |
| Binary (base 2) | 1101011100010011 |
| Octal (base 8) | 153423 |
| Hexadecimal (base 16) | D713 |
| Base 3 | 2210112020 |
| As time | 55059 seconds = 15 h 17 min 39 s |
Is 55059 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 (55059 ÷ 3 = 18353) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | 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 4) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | 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 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 3) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55059 a prime number?
No. 55059 = 3 × 18353, so it is divisible by 3.
What are the factors of 55059?
1, 3, 18353, 55059.
What is 55059 in binary?
1101011100010011 (hexadecimal D713, octal 153423).
What is the square root of 55059?
About 234.6465.
Is 55059 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 55059?
55059 is a semiprime: 3 × 18353, the product of two primes.