57261968 has 10 divisors (see below), whose sum is σ = 110945094. Its totient is φ = 28630976.

The previous prime is 57261943. The next prime is 57261983. The reversal of 57261968 is 86916275.

It can be written as a sum of positive squares in only one way, i.e., 53993104 + 3268864 = 7348^2 + 1808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1789421 + ... + 1789452.

Almost surely, 2^57261968 is an apocalyptic number.

It is an amenable number.

57261968 is a deficient number, since it is larger than the sum of its proper divisors (53683126).

57261968 is a wasteful number, since it uses less digits than its factorization.

57261968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578881 (or 3578875 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 57261968 is about 7567.1638015838. The cubic root of 57261968 is about 385.4387935729.

The spelling of 57261968 in words is "fifty-seven million, two hundred sixty-one thousand, nine hundred sixty-eight".