57312274 has 16 divisors (see below), whose sum is σ = 89906112. Its totient is φ = 27349168.

The previous prime is 57312271. The next prime is 57312289. The reversal of 57312274 is 47221375.

It is not an unprimeable number, because it can be changed into a prime (57312271) 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, 24792 + ... + 27004.

It is an arithmetic number, because the mean of its divisors is an integer number (5619132).

Almost surely, 2^57312274 is an apocalyptic number.

57312274 is a deficient number, since it is larger than the sum of its proper divisors (32593838).

57312274 is a wasteful number, since it uses less digits than its factorization.

57312274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801.

The product of its digits is 11760, while the sum is 31.

The square root of 57312274 is about 7570.4870384936. The cubic root of 57312274 is about 385.5516329160.

The spelling of 57312274 in words is "fifty-seven million, three hundred twelve thousand, two hundred seventy-four".