57685288 has 16 divisors (see below), whose sum is σ = 112862880. Its totient is φ = 27588528.

The previous prime is 57685283. The next prime is 57685289. The reversal of 57685288 is 88258675.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57685283) 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, 156570 + ... + 156937.

It is an arithmetic number, because the mean of its divisors is an integer number (7053930).

Almost surely, 2^57685288 is an apocalyptic number.

It is an amenable number.

57685288 is a deficient number, since it is larger than the sum of its proper divisors (55177592).

57685288 is a wasteful number, since it uses less digits than its factorization.

57685288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313536 (or 313532 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 49.

The square root of 57685288 is about 7595.0831463520. The cubic root of 57685288 is about 386.3862724756.

The spelling of 57685288 in words is "fifty-seven million, six hundred eighty-five thousand, two hundred eighty-eight".