57125898 has 28 divisors (see below), whose sum is σ = 128477778. Its totient is φ = 19041480.

The previous prime is 57125879. The next prime is 57125923. The reversal of 57125898 is 89852175.

It is a happy number.

57125898 is a `hidden beast` number, since 57 + 12 + 589 + 8 = 666.

57125898 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 only one way, i.e., 38229489 + 18896409 = 6183^2 + 4347^2 .

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 18133 + ... + 21048.

Almost surely, 2^57125898 is an apocalyptic number.

57125898 is an abundant number, since it is smaller than the sum of its proper divisors (71351880).

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

57125898 is an equidigital number, since it uses as much as digits as its factorization.

57125898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39201 (or 39186 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 57125898 is about 7558.1676350819. The cubic root of 57125898 is about 385.1332489802.

The spelling of 57125898 in words is "fifty-seven million, one hundred twenty-five thousand, eight hundred ninety-eight".