57571079238 has 32 divisors (see below), whose sum is σ = 134669193600. Its totient is φ = 18180340488.

The previous prime is 57571079221. The next prime is 57571079273. The reversal of 57571079238 is 83297017575.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28055056 + ... + 28057107.

It is an arithmetic number, because the mean of its divisors is an integer number (4208412300).

Almost surely, 2^57571079238 is an apocalyptic number.

57571079238 is an abundant number, since it is smaller than the sum of its proper divisors (77098114362).

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

57571079238 is a wasteful number, since it uses less digits than its factorization.

57571079238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56112193 (or 56112187 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 57571079238 in words is "fifty-seven billion, five hundred seventy-one million, seventy-nine thousand, two hundred thirty-eight".