57142492 has 24 divisors (see below), whose sum is σ = 110002032. Its totient is φ = 25971440.

The previous prime is 57142489. The next prime is 57142493. The reversal of 57142492 is 29424175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57142493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 10690.

It is an arithmetic number, because the mean of its divisors is an integer number (4583418).

Almost surely, 2^57142492 is an apocalyptic number.

It is an amenable number.

57142492 is a deficient number, since it is larger than the sum of its proper divisors (52859540).

57142492 is a wasteful number, since it uses less digits than its factorization.

57142492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10770 (or 10746 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 57142492 is about 7559.2653082161. The cubic root of 57142492 is about 385.1705366941.

The spelling of 57142492 in words is "fifty-seven million, one hundred forty-two thousand, four hundred ninety-two".