57143292 has 24 divisors (see below), whose sum is σ = 137636352. Its totient is φ = 18433200.

The previous prime is 57143291. The next prime is 57143297. The reversal of 57143292 is 29234175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57143291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76434 + ... + 77177.

It is an arithmetic number, because the mean of its divisors is an integer number (5734848).

Almost surely, 2^57143292 is an apocalyptic number.

It is an amenable number.

57143292 is an abundant number, since it is smaller than the sum of its proper divisors (80493060).

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

57143292 is a wasteful number, since it uses less digits than its factorization.

57143292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153649 (or 153647 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 57143292 is about 7559.3182232262. The cubic root of 57143292 is about 385.1723341597.

The spelling of 57143292 in words is "fifty-seven million, one hundred forty-three thousand, two hundred ninety-two".