The number 55482
55482 is a composite number with 16 divisors. Its prime factorisation is 2 × 3 × 7 × 1321. Divisors (16): 1, 2, 3, 6, 7, 14, 21, 42, 1321, 2642, 3963, 7926, 9247, 18494, 27741, 55482.
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How to work it out
- 1
55482 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55482 is composite. Its prime factorisation is
- 3
The divisors add up to 126912; without 55482 itself that is 71430, so 55482 is abundant (71430 is more than 55482). Euler's totient φ(55482) = 15840 numbers up to 55482 share no factor with it.
- 4
The digits of 55482 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 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55482 = 2 \times 3 \times 7 \times 1321 \]
55482 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 126912 |
| Euler totient φ(n) | 15840 |
| Square | 3078252324 |
| Cube | 170787595440168 |
| Square root | 235.546174 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5482 × |
55482 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and eighty-two |
| Binary (base 2) | 1101100010111010 |
| Octal (base 8) | 154272 |
| Hexadecimal (base 16) | D8BA |
| Base 3 | 2211002220 |
| As time | 55482 seconds = 15 h 24 min 42 s |
Is 55482 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55482 ÷ 2 = 27741) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (55482 ÷ 3 = 18494) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (55482 ÷ 6 = 9247) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (55482 ÷ 7 = 7926) | 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 6) | 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 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55482 a prime number?
No. 55482 = 2 × 3 × 7 × 1321, so it is divisible by 2.
What are the factors of 55482?
1, 2, 3, 6, 7, 14, 21, 42, 1321, 2642, 3963, 7926, 9247, 18494, 27741, 55482.
What is 55482 in binary?
1101100010111010 (hexadecimal D8BA, octal 154272).
What is the square root of 55482?
About 235.5462.
Is 55482 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 55482?
It is a composite number with 16 divisors.