57304442 has 16 divisors (see below), whose sum is σ = 92746752. Its totient is φ = 26397360.

The previous prime is 57304441. The next prime is 57304451. The reversal of 57304442 is 24440375.

It is not an unprimeable number, because it can be changed into a prime (57304441) 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, 13967 + ... + 17597.

It is an arithmetic number, because the mean of its divisors is an integer number (5796672).

Almost surely, 2^57304442 is an apocalyptic number.

57304442 is a deficient number, since it is larger than the sum of its proper divisors (35442310).

57304442 is a wasteful number, since it uses less digits than its factorization.

57304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 57304442 is about 7569.9697489488. The cubic root of 57304442 is about 385.5340696163.

The spelling of 57304442 in words is "fifty-seven million, three hundred four thousand, four hundred forty-two".