57690788 has 12 divisors (see below), whose sum is σ = 101483340. Its totient is φ = 28695552.

The previous prime is 57690781. The next prime is 57690793. The reversal of 57690788 is 88709675.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18852964 + 38837824 = 4342^2 + 6232^2 .

It is not an unprimeable number, because it can be changed into a prime (57690781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36593 + ... + 38136.

It is an arithmetic number, because the mean of its divisors is an integer number (8456945).

Almost surely, 2^57690788 is an apocalyptic number.

It is an amenable number.

57690788 is a deficient number, since it is larger than the sum of its proper divisors (43792552).

57690788 is a wasteful number, since it uses less digits than its factorization.

57690788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74926 (or 74924 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 57690788 is about 7595.4452140740. The cubic root of 57690788 is about 386.3985520766.

The spelling of 57690788 in words is "fifty-seven million, six hundred ninety thousand, seven hundred eighty-eight".