57712164 has 12 divisors (see below), whose sum is σ = 134661744. Its totient is φ = 19237384.

The previous prime is 57712159. The next prime is 57712169. The reversal of 57712164 is 46121775.

It is an interprime number because it is at equal distance from previous prime (57712159) and next prime (57712169).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (57712169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404662 + ... + 2404685.

It is an arithmetic number, because the mean of its divisors is an integer number (11221812).

Almost surely, 2^57712164 is an apocalyptic number.

It is an amenable number.

57712164 is an abundant number, since it is smaller than the sum of its proper divisors (76949580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57712164 is a wasteful number, since it uses less digits than its factorization.

57712164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809354 (or 4809352 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 57712164 is about 7596.8522428701. The cubic root of 57712164 is about 386.4462698943.

It can be divided in two parts, 57 and 712164, that added together give a triangular number (712221 = T₁₁₉₃).

The spelling of 57712164 in words is "fifty-seven million, seven hundred twelve thousand, one hundred sixty-four".