57398256 has 60 divisors (see below), whose sum is σ = 170091792. Its totient is φ = 18006528.

The previous prime is 57398213. The next prime is 57398281. The reversal of 57398256 is 65289375.

It is a happy number.

57398256 is a `hidden beast` number, since 5 + 7 + 398 + 256 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9276 + ... + 14171.

Almost surely, 2^57398256 is an apocalyptic number.

It is an amenable number.

57398256 is an abundant number, since it is smaller than the sum of its proper divisors (112693536).

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

57398256 is a wasteful number, since it uses less digits than its factorization.

57398256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23478 (or 23469 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 57398256 is about 7576.1636729944. The cubic root of 57398256 is about 385.7443428664.

The spelling of 57398256 in words is "fifty-seven million, three hundred ninety-eight thousand, two hundred fifty-six".