The number 55058
55058 is a composite number with 4 divisors. Its prime factorisation is 2 × 27529. Divisors (4): 1, 2, 27529, 55058.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55058: a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 27529, the product of two primes.
- 2
55058 is composite. Its prime factorisation is
- 3
The divisors add up to 82590; without 55058 itself that is 27532, so 55058 is deficient (27532 is less than 55058). Euler's totient φ(55058) = 27528 numbers up to 55058 share no factor with it.
- 4
The digits of 55058 add up to 23, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 166 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55058 = 2 \times 27529 \]
55058 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 82590 |
| Euler totient φ(n) | 27528 |
| Square | 3031383364 |
| Cube | 166901905255112 |
| Square root | 234.644412 |
| Digit sum / digital root | 23 / 5 |
| Collatz steps to 1 | 166 |
| Scientific notation | 5.5058 × |
55058 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand and fifty-eight |
| Binary (base 2) | 1101011100010010 |
| Octal (base 8) | 153422 |
| Hexadecimal (base 16) | D712 |
| Base 3 | 2210112012 |
| As time | 55058 seconds = 15 h 17 min 38 s |
Is 55058 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55058 ÷ 2 = 27529) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 3) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55058 a prime number?
No. 55058 = 2 × 27529, so it is divisible by 2.
What are the factors of 55058?
1, 2, 27529, 55058.
What is 55058 in binary?
1101011100010010 (hexadecimal D712, octal 153422).
What is the square root of 55058?
About 234.6444.
Is 55058 divisible by 3?
No. Its digits add up to 23, which is not a multiple of 3.
What is special about the number 55058?
55058 is a happy number: repeatedly adding the squares of its digits reaches 1; a semiprime: 2 × 27529, the product of two primes.