57732140 has 12 divisors (see below), whose sum is σ = 121237536. Its totient is φ = 23092848.

The previous prime is 57732133. The next prime is 57732161. The reversal of 57732140 is 4123775.

57732140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443284 + ... + 1443323.

It is an arithmetic number, because the mean of its divisors is an integer number (10103128).

Almost surely, 2^57732140 is an apocalyptic number.

It is an amenable number.

57732140 is an abundant number, since it is smaller than the sum of its proper divisors (63505396).

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

57732140 is a wasteful number, since it uses less digits than its factorization.

57732140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886616 (or 2886614 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57732140 is about 7598.1668841899. The cubic root of 57732140 is about 386.4908518314.

The spelling of 57732140 in words is "fifty-seven million, seven hundred thirty-two thousand, one hundred forty".