57115844 has 6 divisors (see below), whose sum is σ = 99952734. Its totient is φ = 28557920.

The previous prime is 57115813. The next prime is 57115859. The reversal of 57115844 is 44851175.

It can be written as a sum of positive squares in only one way, i.e., 47886400 + 9229444 = 6920^2 + 3038^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139477 + ... + 7139484.

It is an arithmetic number, because the mean of its divisors is an integer number (16658789).

Almost surely, 2^57115844 is an apocalyptic number.

It is an amenable number.

57115844 is a deficient number, since it is larger than the sum of its proper divisors (42836890).

57115844 is a wasteful number, since it uses less digits than its factorization.

57115844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14278965 (or 14278963 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 57115844 is about 7557.5024975186. The cubic root of 57115844 is about 385.1106535258.

The spelling of 57115844 in words is "fifty-seven million, one hundred fifteen thousand, eight hundred forty-four".