57056227508 has 24 divisors (see below), whose sum is σ = 117793503744. Its totient is φ = 23663872800.

The previous prime is 57056227499. The next prime is 57056227589. The reversal of 57056227508 is 80572265075.

It is a congruent number.

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, 32865623 + ... + 32867358.

It is an arithmetic number, because the mean of its divisors is an integer number (4908062656).

Almost surely, 2^57056227508 is an apocalyptic number.

It is an amenable number.

57056227508 is an abundant number, since it is smaller than the sum of its proper divisors (60737276236).

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

57056227508 is a wasteful number, since it uses less digits than its factorization.

57056227508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65733023 (or 65733021 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 57056227508 in words is "fifty-seven billion, fifty-six million, two hundred twenty-seven thousand, five hundred eight".