57256568 has 16 divisors (see below), whose sum is σ = 112024080. Its totient is φ = 27383488.

The previous prime is 57256523. The next prime is 57256571. The reversal of 57256568 is 86565275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155405 + ... + 155772.

It is an arithmetic number, because the mean of its divisors is an integer number (7001505).

Almost surely, 2^57256568 is an apocalyptic number.

It is an amenable number.

57256568 is a deficient number, since it is larger than the sum of its proper divisors (54767512).

57256568 is a wasteful number, since it uses less digits than its factorization.

57256568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311206 (or 311202 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 57256568 is about 7566.8069884199. The cubic root of 57256568 is about 385.4266771253.

The spelling of 57256568 in words is "fifty-seven million, two hundred fifty-six thousand, five hundred sixty-eight".