57266568 has 32 divisors (see below), whose sum is σ = 159074400. Its totient is φ = 19088784.

The previous prime is 57266567. The next prime is 57266581. The reversal of 57266568 is 86566275.

It is not an unprimeable number, because it can be changed into a prime (57266567) 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, 132346 + ... + 132777.

It is an arithmetic number, because the mean of its divisors is an integer number (4971075).

Almost surely, 2^57266568 is an apocalyptic number.

It is an amenable number.

57266568 is an abundant number, since it is smaller than the sum of its proper divisors (101807832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57266568 is a wasteful number, since it uses less digits than its factorization.

57266568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265138 (or 265128 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 57266568 is about 7567.4677402682. The cubic root of 57266568 is about 385.4491143905.

The spelling of 57266568 in words is "fifty-seven million, two hundred sixty-six thousand, five hundred sixty-eight".