57612252285 has 48 divisors (see below), whose sum is σ = 116910743040. Its totient is φ = 25694657280.

The previous prime is 57612252277. The next prime is 57612252319. The reversal of 57612252285 is 58225221675.

57612252285 is a `hidden beast` number, since 5 + 7 + 612 + 2 + 5 + 2 + 28 + 5 = 666.

It is not a de Polignac number, because 57612252285 - 2³ = 57612252277 is a prime.

It is a super-2 number, since 2×57612252285² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57612252285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2217525 + ... + 2243354.

It is an arithmetic number, because the mean of its divisors is an integer number (2435640480).

Almost surely, 2^57612252285 is an apocalyptic number.

It is an amenable number.

57612252285 is an abundant number, since it is smaller than the sum of its proper divisors (59298490755).

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

57612252285 is a wasteful number, since it uses less digits than its factorization.

57612252285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460938 (or 4460935 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 57612252285 in words is "fifty-seven billion, six hundred twelve million, two hundred fifty-two thousand, two hundred eighty-five".