57111164 has 24 divisors (see below), whose sum is σ = 109369008. Its totient is φ = 25879040.

The previous prime is 57111163. The next prime is 57111191. The reversal of 57111164 is 46111175.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57111163) 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, 13694 + ... + 17370.

It is an arithmetic number, because the mean of its divisors is an integer number (4557042).

Almost surely, 2^57111164 is an apocalyptic number.

It is an amenable number.

57111164 is a deficient number, since it is larger than the sum of its proper divisors (52257844).

57111164 is a wasteful number, since it uses less digits than its factorization.

57111164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4043 counting only the distinct ones).

The product of its digits is 840, while the sum is 26.

The square root of 57111164 is about 7557.1928650789. The cubic root of 57111164 is about 385.1001347453.

It can be divided in two parts, 571111 and 64, that added together give a palindrome (571175).

The spelling of 57111164 in words is "fifty-seven million, one hundred eleven thousand, one hundred sixty-four".