57805525 has 12 divisors (see below), whose sum is σ = 75895812. Its totient is φ = 43523840.

The previous prime is 57805493. The next prime is 57805529. The reversal of 57805525 is 52550875.

57805525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 636804 + 57168721 = 798^2 + 7561^2 .

It is not a de Polignac number, because 57805525 - 2⁵ = 57805493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57805529) 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 11 ways as a sum of consecutive naturals, for example, 67582 + ... + 68431.

It is an arithmetic number, because the mean of its divisors is an integer number (6324651).

Almost surely, 2^57805525 is an apocalyptic number.

It is an amenable number.

57805525 is a deficient number, since it is larger than the sum of its proper divisors (18090287).

57805525 is a wasteful number, since it uses less digits than its factorization.

57805525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136040 (or 136035 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 57805525 is about 7602.9944758628. The cubic root of 57805525 is about 386.6545424095.

The spelling of 57805525 in words is "fifty-seven million, eight hundred five thousand, five hundred twenty-five".