57440532 has 24 divisors (see below), whose sum is σ = 138650400. Its totient is φ = 18486496.

The previous prime is 57440527. The next prime is 57440557. The reversal of 57440532 is 23504475.

57440532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57440532.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 82182 + ... + 82877.

It is an arithmetic number, because the mean of its divisors is an integer number (5777100).

Almost surely, 2^57440532 is an apocalyptic number.

It is an amenable number.

57440532 is an abundant number, since it is smaller than the sum of its proper divisors (81209868).

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

57440532 is a wasteful number, since it uses less digits than its factorization.

57440532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165095 (or 165093 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 57440532 is about 7578.9532258749. The cubic root of 57440532 is about 385.8390247543.

The spelling of 57440532 in words is "fifty-seven million, four hundred forty thousand, five hundred thirty-two".