57452364 has 72 divisors (see below), whose sum is σ = 151875360. Its totient is φ = 18289152.

The previous prime is 57452363. The next prime is 57452389. The reversal of 57452364 is 46325475.

57452364 is a `hidden beast` number, since 5 + 74 + 523 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57452363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117729 + ... + 118215.

It is an arithmetic number, because the mean of its divisors is an integer number (2109380).

Almost surely, 2^57452364 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 57452364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75937680).

57452364 is an abundant number, since it is smaller than the sum of its proper divisors (94422996).

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

57452364 is a wasteful number, since it uses less digits than its factorization.

57452364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 634 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 57452364 is about 7579.7337684117. The cubic root of 57452364 is about 385.8655155368.

The spelling of 57452364 in words is "fifty-seven million, four hundred fifty-two thousand, three hundred sixty-four".