57156694 has 16 divisors (see below), whose sum is σ = 98128800. Its totient is φ = 24459264.

The previous prime is 57156689. The next prime is 57156707. The reversal of 57156694 is 49665175.

It is a self number, because there is not a number n which added to its sum of digits gives 57156694.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8112 + ... + 13420.

It is an arithmetic number, because the mean of its divisors is an integer number (6133050).

Almost surely, 2^57156694 is an apocalyptic number.

57156694 is a deficient number, since it is larger than the sum of its proper divisors (40972106).

57156694 is a wasteful number, since it uses less digits than its factorization.

57156694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087.

The product of its digits is 226800, while the sum is 43.

The square root of 57156694 is about 7560.2046268603. The cubic root of 57156694 is about 385.2024437079.

The spelling of 57156694 in words is "fifty-seven million, one hundred fifty-six thousand, six hundred ninety-four".