57143260 has 24 divisors (see below), whose sum is σ = 126317520. Its totient is φ = 21654144.

The previous prime is 57143249. The next prime is 57143291. The reversal of 57143260 is 6234175.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74809 + ... + 75568.

It is an arithmetic number, because the mean of its divisors is an integer number (5263230).

Almost surely, 2^57143260 is an apocalyptic number.

It is an amenable number.

57143260 is an abundant number, since it is smaller than the sum of its proper divisors (69174260).

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

57143260 is a wasteful number, since it uses less digits than its factorization.

57143260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150405 (or 150403 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 57143260 is about 7559.3161066329. The cubic root of 57143260 is about 385.1722622614.

The spelling of 57143260 in words is "fifty-seven million, one hundred forty-three thousand, two hundred sixty".