57423864 has 16 divisors (see below), whose sum is σ = 143559720. Its totient is φ = 19141280.

The previous prime is 57423859. The next prime is 57423881. The reversal of 57423864 is 46832475.

It is a happy number.

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, 1196307 + ... + 1196354.

Almost surely, 2^57423864 is an apocalyptic number.

It is an amenable number.

57423864 is an abundant number, since it is smaller than the sum of its proper divisors (86135856).

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

57423864 is a wasteful number, since it uses less digits than its factorization.

57423864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392670 (or 2392666 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 57423864 is about 7577.8535219414. The cubic root of 57423864 is about 385.8017004306.

The spelling of 57423864 in words is "fifty-seven million, four hundred twenty-three thousand, eight hundred sixty-four".