57252380 has 24 divisors (see below), whose sum is σ = 124377120. Its totient is φ = 22111040.

The previous prime is 57252323. The next prime is 57252389. The reversal of 57252380 is 8325275.

57252380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57252389) by changing a digit.

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, 48776 + ... + 49935.

It is an arithmetic number, because the mean of its divisors is an integer number (5182380).

Almost surely, 2^57252380 is an apocalyptic number.

It is an amenable number.

57252380 is an abundant number, since it is smaller than the sum of its proper divisors (67124740).

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

57252380 is a wasteful number, since it uses less digits than its factorization.

57252380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98749 (or 98747 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 57252380 is about 7566.5302484032. The cubic root of 57252380 is about 385.4172796224.

The spelling of 57252380 in words is "fifty-seven million, two hundred fifty-two thousand, three hundred eighty".