57251128688 has 40 divisors (see below), whose sum is σ = 119483238000. Its totient is φ = 26417723904.

The previous prime is 57251128603. The next prime is 57251128691. The reversal of 57251128688 is 88682115275.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988763 + ... + 1045061.

It is an arithmetic number, because the mean of its divisors is an integer number (2987080950).

Almost surely, 2^57251128688 is an apocalyptic number.

It is an amenable number.

57251128688 is an abundant number, since it is smaller than the sum of its proper divisors (62232109312).

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

57251128688 is a wasteful number, since it uses less digits than its factorization.

57251128688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61209 (or 61203 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 53.

The spelling of 57251128688 in words is "fifty-seven billion, two hundred fifty-one million, one hundred twenty-eight thousand, six hundred eighty-eight".