57490225 has 24 divisors (see below), whose sum is σ = 80119872. Its totient is φ = 40603200.

The previous prime is 57490207. The next prime is 57490231. The reversal of 57490225 is 52209475.

It is a de Polignac number, because none of the positive numbers 2^k-57490225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3630 + ... + 11320.

It is an arithmetic number, because the mean of its divisors is an integer number (3338328).

Almost surely, 2^57490225 is an apocalyptic number.

It is an amenable number.

57490225 is a deficient number, since it is larger than the sum of its proper divisors (22629647).

57490225 is a wasteful number, since it uses less digits than its factorization.

57490225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737 (or 7732 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57490225 is about 7582.2308722433. The cubic root of 57490225 is about 385.9502584744.

The spelling of 57490225 in words is "fifty-seven million, four hundred ninety thousand, two hundred twenty-five".