57047304 has 16 divisors (see below), whose sum is σ = 142618320. Its totient is φ = 19015760.

The previous prime is 57047297. The next prime is 57047357. The reversal of 57047304 is 40374075.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188462 + ... + 1188509.

It is an arithmetic number, because the mean of its divisors is an integer number (8913645).

Almost surely, 2^57047304 is an apocalyptic number.

It is an amenable number.

57047304 is an abundant number, since it is smaller than the sum of its proper divisors (85571016).

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

57047304 is a wasteful number, since it uses less digits than its factorization.

57047304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376980 (or 2376976 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 57047304 is about 7552.9665695010. The cubic root of 57047304 is about 384.9565453850.

It can be divided in two parts, 570 and 47304, that added together give a palindrome (47874).

The spelling of 57047304 in words is "fifty-seven million, forty-seven thousand, three hundred four".