57142632 has 32 divisors (see below), whose sum is σ = 143179200. Its totient is φ = 19004544.

The previous prime is 57142619. The next prime is 57142637. The reversal of 57142632 is 23624175.

It is a self number, because there is not a number n which added to its sum of digits gives 57142632.

It is not an unprimeable number, because it can be changed into a prime (57142637) 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, 9244 + ... + 14132.

It is an arithmetic number, because the mean of its divisors is an integer number (4474350).

Almost surely, 2^57142632 is an apocalyptic number.

It is an amenable number.

57142632 is an abundant number, since it is smaller than the sum of its proper divisors (86036568).

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

57142632 is a wasteful number, since it uses less digits than its factorization.

57142632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385 (or 5381 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 57142632 is about 7559.2745683696. The cubic root of 57142632 is about 385.1708512518.

The spelling of 57142632 in words is "fifty-seven million, one hundred forty-two thousand, six hundred thirty-two".