56605348791 has 24 divisors (see below), whose sum is σ = 84775548000. Its totient is φ = 36352556352.

The previous prime is 56605348771. The next prime is 56605348861. The reversal of 56605348791 is 19784350665.

56605348791 is a `hidden beast` number, since 56 + 60 + 53 + 487 + 9 + 1 = 666.

It is not a de Polignac number, because 56605348791 - 2³⁴ = 39425479607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56605348711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132436 + ... + 361593.

It is an arithmetic number, because the mean of its divisors is an integer number (3532314500).

Almost surely, 2^56605348791 is an apocalyptic number.

56605348791 is a deficient number, since it is larger than the sum of its proper divisors (28170199209).

56605348791 is a wasteful number, since it uses less digits than its factorization.

56605348791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494503 (or 494500 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 56605348791 in words is "fifty-six billion, six hundred five million, three hundred forty-eight thousand, seven hundred ninety-one".