57040156 has 12 divisors (see below), whose sum is σ = 101188192. Its totient is φ = 28129248.

The previous prime is 57040127. The next prime is 57040157. The reversal of 57040156 is 65104075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57040157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97380 + ... + 97963.

Almost surely, 2^57040156 is an apocalyptic number.

It is an amenable number.

57040156 is a deficient number, since it is larger than the sum of its proper divisors (44148036).

57040156 is a wasteful number, since it uses less digits than its factorization.

57040156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195420 (or 195418 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 57040156 is about 7552.4933631219. The cubic root of 57040156 is about 384.9404664229.

The spelling of 57040156 in words is "fifty-seven million, forty thousand, one hundred fifty-six".