57381164 has 12 divisors (see below), whose sum is σ = 100526664. Its totient is φ = 28659264.

The previous prime is 57381119. The next prime is 57381173. The reversal of 57381164 is 46118375.

57381164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3434 + ... + 11249.

It is an arithmetic number, because the mean of its divisors is an integer number (8377222).

Almost surely, 2^57381164 is an apocalyptic number.

It is an amenable number.

57381164 is a deficient number, since it is larger than the sum of its proper divisors (43145500).

57381164 is a wasteful number, since it uses less digits than its factorization.

57381164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664 (or 15662 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 57381164 is about 7575.0355774742. The cubic root of 57381164 is about 385.7060501998.

The spelling of 57381164 in words is "fifty-seven million, three hundred eighty-one thousand, one hundred sixty-four".