57109625 has 8 divisors (see below), whose sum is σ = 71272968. Its totient is φ = 45687600.

The previous prime is 57109601. The next prime is 57109627. The reversal of 57109625 is 52690175.

It can be written as a sum of positive squares in 4 ways, for example, as 619369 + 56490256 = 787^2 + 7516^2 .

It is not a de Polignac number, because 57109625 - 2⁸ = 57109369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57109627) 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, 228314 + ... + 228563.

It is an arithmetic number, because the mean of its divisors is an integer number (8909121).

Almost surely, 2^57109625 is an apocalyptic number.

It is an amenable number.

57109625 is a deficient number, since it is larger than the sum of its proper divisors (14163343).

57109625 is an equidigital number, since it uses as much as digits as its factorization.

57109625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456892 (or 456882 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 57109625 is about 7557.0910408702. The cubic root of 57109625 is about 385.0966755592.

The spelling of 57109625 in words is "fifty-seven million, one hundred nine thousand, six hundred twenty-five".