57712506 has 16 divisors (see below), whose sum is σ = 115500000. Its totient is φ = 19225008.

The previous prime is 57712453. The next prime is 57712507. The reversal of 57712506 is 60521775.

It is not an unprimeable number, because it can be changed into a prime (57712507) 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, 14745 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (7218750).

Almost surely, 2^57712506 is an apocalyptic number.

57712506 is an abundant number, since it is smaller than the sum of its proper divisors (57787494).

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

57712506 is a wasteful number, since it uses less digits than its factorization.

57712506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 57712506 is about 7596.8747521596. The cubic root of 57712506 is about 386.4470332479.

The spelling of 57712506 in words is "fifty-seven million, seven hundred twelve thousand, five hundred six".