57568131 has 8 divisors (see below), whose sum is σ = 85286160. Its totient is φ = 38378736.

The previous prime is 57568111. The next prime is 57568139. The reversal of 57568131 is 13186575.

57568131 is a `hidden beast` number, since 575 + 6 + 81 + 3 + 1 = 666.

It is not a de Polignac number, because 57568131 - 2⁶ = 57568067 is a prime.

It is a super-2 number, since 2×57568131² = 6628179413666322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57568139) 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, 1066050 + ... + 1066103.

It is an arithmetic number, because the mean of its divisors is an integer number (10660770).

Almost surely, 2^57568131 is an apocalyptic number.

57568131 is a deficient number, since it is larger than the sum of its proper divisors (27718029).

57568131 is a wasteful number, since it uses less digits than its factorization.

57568131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132162 (or 2132156 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 57568131 is about 7587.3665391887. The cubic root of 57568131 is about 386.1245157459.

The spelling of 57568131 in words is "fifty-seven million, five hundred sixty-eight thousand, one hundred thirty-one".