Base | Representation |
---|---|
bin | 1101010011100… |
… | …0100010001000 |
3 | 10220000020120011 |
4 | 3110320202020 |
5 | 103241243323 |
6 | 5312041304 |
7 | 1245225652 |
oct | 324704210 |
9 | 126006504 |
10 | 55806088 |
11 | 29556a38 |
12 | 16833234 |
13 | b73c070 |
14 | 75a96d2 |
15 | 4d7520d |
hex | 3538888 |
55806088 has 32 divisors (see below), whose sum is σ = 115315200. Its totient is φ = 25155648.
The previous prime is 55806077. The next prime is 55806089. The reversal of 55806088 is 88060855.
It is a super-2 number, since 2×558060882 = 6228638915727488, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 55806088.
It is not an unprimeable number, because it can be changed into a prime (55806089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768 + ... + 10711.
It is an arithmetic number, because the mean of its divisors is an integer number (3603600).
Almost surely, 255806088 is an apocalyptic number.
It is an amenable number.
55806088 is an abundant number, since it is smaller than the sum of its proper divisors (59509112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55806088 is a wasteful number, since it uses less digits than its factorization.
55806088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12541 (or 12537 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 40.
The square root of 55806088 is about 7470.3472476184. The cubic root of 55806088 is about 382.1441302563.
The spelling of 55806088 in words is "fifty-five million, eight hundred six thousand, eighty-eight".
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