57149694 has 24 divisors (see below), whose sum is σ = 141513840. Its totient is φ = 16328448.

The previous prime is 57149693. The next prime is 57149707. The reversal of 57149694 is 49694175.

57149694 is a `hidden beast` number, since 5 + 71 + 496 + 94 = 666.

57149694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57149693) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 226659 + ... + 226910.

It is an arithmetic number, because the mean of its divisors is an integer number (5896410).

Almost surely, 2^57149694 is an apocalyptic number.

57149694 is an abundant number, since it is smaller than the sum of its proper divisors (84364146).

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

57149694 is a wasteful number, since it uses less digits than its factorization.

57149694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453584 (or 453581 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 57149694 is about 7559.7416622528. The cubic root of 57149694 is about 385.1867177739.

The spelling of 57149694 in words is "fifty-seven million, one hundred forty-nine thousand, six hundred ninety-four".