57612491217 has 16 divisors (see below), whose sum is σ = 85393294080. Its totient is φ = 38389672656.

The previous prime is 57612491203. The next prime is 57612491219. The reversal of 57612491217 is 71219421675.

57612491217 is a `hidden beast` number, since 5 + 7 + 612 + 4 + 9 + 1 + 21 + 7 = 666.

It is not a de Polignac number, because 57612491217 - 2⁸ = 57612490961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57612491219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461458 + ... + 572859.

It is an arithmetic number, because the mean of its divisors is an integer number (5337080880).

Almost surely, 2^57612491217 is an apocalyptic number.

It is an amenable number.

57612491217 is a deficient number, since it is larger than the sum of its proper divisors (27780802863).

57612491217 is a wasteful number, since it uses less digits than its factorization.

57612491217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036389 (or 1036383 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The spelling of 57612491217 in words is "fifty-seven billion, six hundred twelve million, four hundred ninety-one thousand, two hundred seventeen".