57143902 has 8 divisors (see below), whose sum is σ = 90758016. Its totient is φ = 26891232.

The previous prime is 57143897. The next prime is 57143909. The reversal of 57143902 is 20934175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57143909) 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 3 ways as a sum of consecutive naturals, for example, 840318 + ... + 840385.

It is an arithmetic number, because the mean of its divisors is an integer number (11344752).

Almost surely, 2^57143902 is an apocalyptic number.

57143902 is a deficient number, since it is larger than the sum of its proper divisors (33614114).

57143902 is a wasteful number, since it uses less digits than its factorization.

57143902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680722.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 57143902 is about 7559.3585706725. The cubic root of 57143902 is about 385.1737047159.

The spelling of 57143902 in words is "fifty-seven million, one hundred forty-three thousand, nine hundred two".