The number 55012
55012 is a composite number with 12 divisors. Its prime factorisation is × 17 × 809. Divisors (12): 1, 2, 4, 17, 34, 68, 809, 1618, 3236, 13753, 27506, 55012.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55012 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55012 is composite. Its prime factorisation is
- 3
The divisors add up to 102060; without 55012 itself that is 47048, so 55012 is deficient (47048 is less than 55012). Euler's totient φ(55012) = 25856 numbers up to 55012 share no factor with it.
- 4
The digits of 55012 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 34 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55012 = 2^{2} \times 17 \times 809 \]55012 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 102060 |
| Euler totient φ(n) | 25856 |
| Square | 3026320144 |
| Cube | 166483923761728 |
| Square root | 234.546371 (= 2√13753) |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 34 |
| Scientific notation | 5.5012 × |
55012 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand and twelve |
| Binary (base 2) | 1101011011100100 |
| Octal (base 8) | 153344 |
| Hexadecimal (base 16) | D6E4 |
| Base 3 | 2210110111 |
| As time | 55012 seconds = 15 h 16 min 52 s |
Is 55012 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55012 ÷ 2 = 27506) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | Yes (55012 ÷ 4 = 13753) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 4) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55012 a prime number?
No. 55012 = × 17 × 809, so it is divisible by 2.
What are the factors of 55012?
1, 2, 4, 17, 34, 68, 809, 1618, 3236, 13753, 27506, 55012.
What is 55012 in binary?
1101011011100100 (hexadecimal D6E4, octal 153344).
What is the square root of 55012?
About 234.5464, exactly 2√13753.
Is 55012 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 55012?
It is a composite number with 12 divisors.