57916881225 has 84 divisors (see below), whose sum is σ = 123058718976. Its totient is φ = 26476230240.

The previous prime is 57916881203. The next prime is 57916881247. The reversal of 57916881225 is 52218861975.

57916881225 is a `hidden beast` number, since 579 + 1 + 68 + 8 + 1 + 2 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (57916881203) and next prime (57916881247).

It is not a de Polignac number, because 57916881225 - 2⁵ = 57916881193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 99417 + ... + 354566.

Almost surely, 2^57916881225 is an apocalyptic number.

It is an amenable number.

57916881225 is an abundant number, since it is smaller than the sum of its proper divisors (65141837751).

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

57916881225 is an equidigital number, since it uses as much as digits as its factorization.

57916881225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454018 (or 453998 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The spelling of 57916881225 in words is "fifty-seven billion, nine hundred sixteen million, eight hundred eighty-one thousand, two hundred twenty-five".