57266256 has 20 divisors (see below), whose sum is σ = 147937952. Its totient is φ = 19088736.

The previous prime is 57266219. The next prime is 57266263. The reversal of 57266256 is 65266275.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 596476 + ... + 596571.

Almost surely, 2^57266256 is an apocalyptic number.

It is an amenable number.

57266256 is an abundant number, since it is smaller than the sum of its proper divisors (90671696).

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

57266256 is a wasteful number, since it uses less digits than its factorization.

57266256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193058 (or 1193052 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 57266256 is about 7567.4471256825. The cubic root of 57266256 is about 385.4484143873.

The spelling of 57266256 in words is "fifty-seven million, two hundred sixty-six thousand, two hundred fifty-six".