57697404 has 24 divisors (see below), whose sum is σ = 134873088. Its totient is φ = 19197360.

The previous prime is 57697397. The next prime is 57697421. The reversal of 57697404 is 40479675.

57697404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (5619712).

Almost surely, 2^57697404 is an apocalyptic number.

It is an amenable number.

57697404 is an abundant number, since it is smaller than the sum of its proper divisors (77175684).

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

57697404 is a wasteful number, since it uses less digits than its factorization.

57697404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785 (or 8783 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 57697404 is about 7595.8807257618. The cubic root of 57697404 is about 386.4133222863.

The spelling of 57697404 in words is "fifty-seven million, six hundred ninety-seven thousand, four hundred four".