57725551788 has 24 divisors (see below), whose sum is σ = 134705119920. Its totient is φ = 19240112640.

The previous prime is 57725551699. The next prime is 57725551843. The reversal of 57725551788 is 88715552775.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75133 + ... + 347988.

It is an arithmetic number, because the mean of its divisors is an integer number (5612713330).

Almost surely, 2^57725551788 is an apocalyptic number.

It is an amenable number.

57725551788 is an abundant number, since it is smaller than the sum of its proper divisors (76979568132).

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

57725551788 is a wasteful number, since it uses less digits than its factorization.

57725551788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434497 (or 434495 counting only the distinct ones).

The product of its digits is 27440000, while the sum is 60.

The spelling of 57725551788 in words is "fifty-seven billion, seven hundred twenty-five million, five hundred fifty-one thousand, seven hundred eighty-eight".