57038986 has 16 divisors (see below), whose sum is σ = 87246720. Its totient is φ = 27961360.

The previous prime is 57038983. The next prime is 57039013. The reversal of 57038986 is 68983075.

It is not an unprimeable number, because it can be changed into a prime (57038981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26955 + ... + 28993.

It is an arithmetic number, because the mean of its divisors is an integer number (5452920).

Almost surely, 2^57038986 is an apocalyptic number.

57038986 is a deficient number, since it is larger than the sum of its proper divisors (30207734).

57038986 is a wasteful number, since it uses less digits than its factorization.

57038986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 57038986 is about 7552.4159048612. The cubic root of 57038986 is about 384.9378344559.

The spelling of 57038986 in words is "fifty-seven million, thirty-eight thousand, nine hundred eighty-six".