57638972 has 6 divisors (see below), whose sum is σ = 100868208. Its totient is φ = 28819484.

The previous prime is 57638969. The next prime is 57639017. The reversal of 57638972 is 27983675.

57638972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7204868 + ... + 7204875.

It is an arithmetic number, because the mean of its divisors is an integer number (16811368).

Almost surely, 2^57638972 is an apocalyptic number.

It is an amenable number.

57638972 is a deficient number, since it is larger than the sum of its proper divisors (43229236).

57638972 is a wasteful number, since it uses less digits than its factorization.

57638972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14409747 (or 14409745 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 57638972 is about 7592.0334561960. The cubic root of 57638972 is about 386.2828338639.

The spelling of 57638972 in words is "fifty-seven million, six hundred thirty-eight thousand, nine hundred seventy-two".