The number 54977
54977 is a composite number with 4 divisors. Its prime factorisation is 13 × 4229. Divisors (4): 1, 13, 4229, 54977.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 54977: a semiprime: 13 × 4229, the product of two primes.
- 2
54977 is composite. Its prime factorisation is
- 3
The divisors add up to 59220; without 54977 itself that is 4243, so 54977 is deficient (4243 is less than 54977). Euler's totient φ(54977) = 50736 numbers up to 54977 share no factor with it.
- 4
The digits of 54977 add up to 32, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 54977 = 13 \times 4229 \]
54977 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 59220 |
| Euler totient φ(n) | 50736 |
| Square | 3022470529 |
| Cube | 166166362272833 |
| Square root | 234.471747 |
| Digit sum / digital root | 32 / 5 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.4977 × |
54977 in other forms
| Form | Value |
|---|---|
| In words | fifty-four thousand nine hundred and seventy-seven |
| Binary (base 2) | 1101011011000001 |
| Octal (base 8) | 153301 |
| Hexadecimal (base 16) | D6C1 |
| Base 3 | 2210102012 |
| As time | 54977 seconds = 15 h 16 min 17 s |
Is 54977 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 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 1) | 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 5) | 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 1) | 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 7) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 54977 a prime number?
No. 54977 = 13 × 4229, so it is divisible by 13.
What are the factors of 54977?
1, 13, 4229, 54977.
What is 54977 in binary?
1101011011000001 (hexadecimal D6C1, octal 153301).
What is the square root of 54977?
About 234.4717.
Is 54977 divisible by 3?
No. Its digits add up to 32, which is not a multiple of 3.
What is special about the number 54977?
54977 is a semiprime: 13 × 4229, the product of two primes.