57813894 has 12 divisors (see below), whose sum is σ = 125263476. Its totient is φ = 19271292.

The previous prime is 57813871. The next prime is 57813953. The reversal of 57813894 is 49831875.

57813894 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 5 ways as a sum of consecutive naturals, for example, 1605924 + ... + 1605959.

It is an arithmetic number, because the mean of its divisors is an integer number (10438623).

Almost surely, 2^57813894 is an apocalyptic number.

57813894 is an abundant number, since it is smaller than the sum of its proper divisors (67449582).

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

57813894 is a wasteful number, since it uses less digits than its factorization.

57813894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211891 (or 3211888 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 57813894 is about 7603.5448311955. The cubic root of 57813894 is about 386.6732012702.

The spelling of 57813894 in words is "fifty-seven million, eight hundred thirteen thousand, eight hundred ninety-four".