57061768 has 16 divisors (see below), whose sum is σ = 108051660. Its totient is φ = 28248000.

The previous prime is 57061759. The next prime is 57061789. The reversal of 57061768 is 86716075.

It can be written as a sum of positive squares in 2 ways, for example, as 44116164 + 12945604 = 6642^2 + 3598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57061768.

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, 34503 + ... + 36118.

Almost surely, 2^57061768 is an apocalyptic number.

It is an amenable number.

57061768 is a deficient number, since it is larger than the sum of its proper divisors (50989892).

57061768 is a wasteful number, since it uses less digits than its factorization.

57061768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70728 (or 70724 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 57061768 is about 7553.9240133854. The cubic root of 57061768 is about 384.9890771062.

The spelling of 57061768 in words is "fifty-seven million, sixty-one thousand, seven hundred sixty-eight".