57157704 has 32 divisors (see below), whose sum is σ = 158772000. Its totient is φ = 19052496.

The previous prime is 57157703. The next prime is 57157717. The reversal of 57157704 is 40775175.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57157703) 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, 132094 + ... + 132525.

It is an arithmetic number, because the mean of its divisors is an integer number (4961625).

Almost surely, 2^57157704 is an apocalyptic number.

57157704 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

57157704 is an abundant number, since it is smaller than the sum of its proper divisors (101614296).

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

57157704 is a wasteful number, since it uses less digits than its factorization.

57157704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264634 (or 264624 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 57157704 is about 7560.2714236990. The cubic root of 57157704 is about 385.2047126295.

The spelling of 57157704 in words is "fifty-seven million, one hundred fifty-seven thousand, seven hundred four".