57323712 has 56 divisors (see below), whose sum is σ = 156577792. Its totient is φ = 18489600.

The previous prime is 57323671. The next prime is 57323729. The reversal of 57323712 is 21732375.

It is a self number, because there is not a number n which added to its sum of digits gives 57323712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (2796032).

Almost surely, 2^57323712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57323712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78288896).

57323712 is an abundant number, since it is smaller than the sum of its proper divisors (99254080).

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

57323712 is a wasteful number, since it uses less digits than its factorization.

57323712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677 (or 9667 counting only the distinct ones).

The product of its digits is 8820, while the sum is 30.

The square root of 57323712 is about 7571.2424343697. The cubic root of 57323712 is about 385.5772798146.

The spelling of 57323712 in words is "fifty-seven million, three hundred twenty-three thousand, seven hundred twelve".