57030868 has 6 divisors (see below), whose sum is σ = 99804026. Its totient is φ = 28515432.

The previous prime is 57030829. The next prime is 57030889. The reversal of 57030868 is 86803075.

57030868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56972304 + 58564 = 7548^2 + 242^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7128855 + ... + 7128862.

Almost surely, 2^57030868 is an apocalyptic number.

It is an amenable number.

57030868 is a deficient number, since it is larger than the sum of its proper divisors (42773158).

57030868 is a wasteful number, since it uses less digits than its factorization.

57030868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14257721 (or 14257719 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 57030868 is about 7551.8784418183. The cubic root of 57030868 is about 384.9195716628.

The spelling of 57030868 in words is "fifty-seven million, thirty thousand, eight hundred sixty-eight".