57065868 has 36 divisors (see below), whose sum is σ = 144508728. Its totient is φ = 18987840.

The previous prime is 57065857. The next prime is 57065893. The reversal of 57065868 is 86856075.

It is a tau number, because it is divible by the number of its divisors (36).

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, 26355 + ... + 28437.

Almost surely, 2^57065868 is an apocalyptic number.

It is an amenable number.

57065868 is an abundant number, since it is smaller than the sum of its proper divisors (87442860).

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

57065868 is a wasteful number, since it uses less digits than its factorization.

57065868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 57065868 is about 7554.1953906422. The cubic root of 57065868 is about 384.9982976256.

The spelling of 57065868 in words is "fifty-seven million, sixty-five thousand, eight hundred sixty-eight".