57125344872 has 32 divisors (see below), whose sum is σ = 142837829280. Its totient is φ = 19038519360.

The previous prime is 57125344799. The next prime is 57125344877. The reversal of 57125344872 is 27844352175.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57125344877) 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, 58779 + ... + 343082.

It is an arithmetic number, because the mean of its divisors is an integer number (4463682165).

Almost surely, 2^57125344872 is an apocalyptic number.

It is an amenable number.

57125344872 is an abundant number, since it is smaller than the sum of its proper divisors (85712484408).

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

57125344872 is a wasteful number, since it uses less digits than its factorization.

57125344872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407793 (or 407789 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 48.

The spelling of 57125344872 in words is "fifty-seven billion, one hundred twenty-five million, three hundred forty-four thousand, eight hundred seventy-two".