| Base | Representation |
|---|---|
| bin | 1101010000110… |
| … | …0001111000100 |
| 3 | 10212200000200000 |
| 4 | 3110030033010 |
| 5 | 103214442034 |
| 6 | 5304121300 |
| 7 | 1243541655 |
| oct | 324141704 |
| 9 | 125600600 |
| 10 | 55624644 |
| 11 | 29442689 |
| 12 | 16766230 |
| 13 | b6a75ba |
| 14 | 755d52c |
| 15 | 4d3b599 |
| hex | 350c3c4 |
55624644 has 72 divisors (see below), whose sum is σ = 147682080. Its totient is φ = 18304704.
The previous prime is 55624643. The next prime is 55624651. The reversal of 55624644 is 44642655.
55624644 is a `hidden beast` number, since 5 + 5 + 6 + 2 + 4 + 644 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 55624599 and 55624608.
It is not an unprimeable number, because it can be changed into a prime (55624643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86187 + ... + 86829.
It is an arithmetic number, because the mean of its divisors is an integer number (2051140).
Almost surely, 255624644 is an apocalyptic number.
55624644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55624644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73841040).
55624644 is an abundant number, since it is smaller than the sum of its proper divisors (92057436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55624644 is a wasteful number, since it uses less digits than its factorization.
55624644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 751 (or 737 counting only the distinct ones).
The product of its digits is 115200, while the sum is 36.
The square root of 55624644 is about 7458.1930787557. The cubic root of 55624644 is about 381.7295217148.
It can be divided in two parts, 556 and 24644, that added together give a triangular number (25200 = T224).
The spelling of 55624644 in words is "fifty-five million, six hundred twenty-four thousand, six hundred forty-four".
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