57423072 has 48 divisors (see below), whose sum is σ = 172271232. Its totient is φ = 16406400.

The previous prime is 57423071. The next prime is 57423089. The reversal of 57423072 is 27032475.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57423071) 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, 42054 + ... + 43397.

It is an arithmetic number, because the mean of its divisors is an integer number (3588984).

Almost surely, 2^57423072 is an apocalyptic number.

It is an amenable number.

57423072 is an abundant number, since it is smaller than the sum of its proper divisors (114848160).

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

57423072 is a wasteful number, since it uses less digits than its factorization.

57423072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85471 (or 85463 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 57423072 is about 7577.8012642191. The cubic root of 57423072 is about 385.7999267409.

The spelling of 57423072 in words is "fifty-seven million, four hundred twenty-three thousand, seventy-two".