57685380 has 48 divisors (see below), whose sum is σ = 168545664. Its totient is φ = 14713600.

The previous prime is 57685373. The next prime is 57685393. The reversal of 57685380 is 8358675.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19521 + ... + 22280.

It is an arithmetic number, because the mean of its divisors is an integer number (3511368).

Almost surely, 2^57685380 is an apocalyptic number.

It is an amenable number.

57685380 is an abundant number, since it is smaller than the sum of its proper divisors (110860284).

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

57685380 is a wasteful number, since it uses less digits than its factorization.

57685380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41836 (or 41834 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 57685380 is about 7595.0892028995. The cubic root of 57685380 is about 386.3864778863.

The spelling of 57685380 in words is "fifty-seven million, six hundred eighty-five thousand, three hundred eighty".