57399568 has 20 divisors (see below), whose sum is σ = 111962700. Its totient is φ = 28505984.

The previous prime is 57399557. The next prime is 57399577. The reversal of 57399568 is 86599375.

57399568 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 2 ways, for example, as 31674384 + 25725184 = 5628^2 + 5072^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 9655 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (5598135).

Almost surely, 2^57399568 is an apocalyptic number.

It is an amenable number.

57399568 is a deficient number, since it is larger than the sum of its proper divisors (54563132).

57399568 is a wasteful number, since it uses less digits than its factorization.

57399568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24234 (or 24228 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 52.

The square root of 57399568 is about 7576.2502598581. The cubic root of 57399568 is about 385.7472819378.

The spelling of 57399568 in words is "fifty-seven million, three hundred ninety-nine thousand, five hundred sixty-eight".