57697392 has 20 divisors (see below), whose sum is σ = 149051720. Its totient is φ = 19232448.

The previous prime is 57697351. The next prime is 57697397. The reversal of 57697392 is 29379675.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1202029 = 57697392 / (5 + 7 + 6 + 9 + 7 + 3 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57697397) 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, 600967 + ... + 601062.

It is an arithmetic number, because the mean of its divisors is an integer number (7452586).

Almost surely, 2^57697392 is an apocalyptic number.

It is an amenable number.

57697392 is an abundant number, since it is smaller than the sum of its proper divisors (91354328).

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

57697392 is a wasteful number, since it uses less digits than its factorization.

57697392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202040 (or 1202034 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The square root of 57697392 is about 7595.8799358600. The cubic root of 57697392 is about 386.4132954973.

The spelling of 57697392 in words is "fifty-seven million, six hundred ninety-seven thousand, three hundred ninety-two".