57685830 has 32 divisors (see below), whose sum is σ = 140120064. Its totient is φ = 15196896.

The previous prime is 57685829. The next prime is 57685853. The reversal of 57685830 is 3858675.

57685830 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 15 ways as a sum of consecutive naturals, for example, 9094 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (4378752).

Almost surely, 2^57685830 is an apocalyptic number.

57685830 is an abundant number, since it is smaller than the sum of its proper divisors (82434234).

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

57685830 is a wasteful number, since it uses less digits than its factorization.

57685830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23260.

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

The square root of 57685830 is about 7595.1188272469. The cubic root of 57685830 is about 386.3874826091.

The spelling of 57685830 in words is "fifty-seven million, six hundred eighty-five thousand, eight hundred thirty".