57409688 has 32 divisors (see below), whose sum is σ = 123530400. Its totient is φ = 24502272.

The previous prime is 57409669. The next prime is 57409691. The reversal of 57409688 is 88690475.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12398 + ... + 16386.

It is an arithmetic number, because the mean of its divisors is an integer number (3860325).

Almost surely, 2^57409688 is an apocalyptic number.

It is an amenable number.

57409688 is an abundant number, since it is smaller than the sum of its proper divisors (66120712).

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

57409688 is a wasteful number, since it uses less digits than its factorization.

57409688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 57409688 is about 7576.9181069878. The cubic root of 57409688 is about 385.7699507095.

The spelling of 57409688 in words is "fifty-seven million, four hundred nine thousand, six hundred eighty-eight".