The number 55027
55027 is a composite number with 6 divisors. Its prime factorisation is Ć 1123. Divisors (6): 1, 7, 49, 1123, 7861, 55027.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55027: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
55027 is composite. Its prime factorisation is
- 3
The divisors add up to 64068; without 55027 itself that is 9041, so 55027 is deficient (9041 is less than 55027). Euler's totient Ļ(55027) = 47124 numbers up to 55027 share no factor with it.
- 4
The digits of 55027 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 184 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55027 = 7^{2} \times 1123 \]55027 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 6 |
| Sum of divisors | 64068 |
| Euler totient Ļ(n) | 47124 |
| Square | 3027970729 |
| Cube | 166620145304683 |
| Square root | 234.578345 (= 7ā1123) |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 184 |
| Scientific notation | 5.5027 Ć |
55027 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand and twenty-seven |
| Binary (base 2) | 1101011011110011 |
| Octal (base 8) | 153363 |
| Hexadecimal (base 16) | D6F3 |
| Base 3 | 2210111001 |
| As time | 55027 seconds = 15 h 17 min 7 s |
Is 55027 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 | No (remainder 1) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (55027 Ć· 7 = 7861) | 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 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55027 a prime number?
No. 55027 = Ć 1123, so it is divisible by 7.
What are the factors of 55027?
1, 7, 49, 1123, 7861, 55027.
What is 55027 in binary?
1101011011110011 (hexadecimal D6F3, octal 153363).
What is the square root of 55027?
About 234.5783, exactly 7ā1123.
Is 55027 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 55027?
55027 is a happy number: repeatedly adding the squares of its digits reaches 1.