57161494 has 32 divisors (see below), whose sum is σ = 97614720. Its totient is φ = 24915072.

The previous prime is 57161483. The next prime is 57161527. The reversal of 57161494 is 49416175.

57161494 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, 34632 + ... + 36244.

It is an arithmetic number, because the mean of its divisors is an integer number (3050460).

Almost surely, 2^57161494 is an apocalyptic number.

57161494 is a deficient number, since it is larger than the sum of its proper divisors (40453226).

57161494 is a wasteful number, since it uses less digits than its factorization.

57161494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 30240, while the sum is 37.

The square root of 57161494 is about 7560.5220719207. The cubic root of 57161494 is about 385.2132264634.

The spelling of 57161494 in words is "fifty-seven million, one hundred sixty-one thousand, four hundred ninety-four".