56875727566 has 12 divisors (see below), whose sum is σ = 99242341128. Its totient is φ = 24375311772.

The previous prime is 56875727549. The next prime is 56875727567. The reversal of 56875727566 is 66572757865.

It is a junction number, because it is equal to n+sod(n) for n = 56875727498 and 56875727507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56875727567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290182186 + ... + 290182381.

It is an arithmetic number, because the mean of its divisors is an integer number (8270195094).

Almost surely, 2^56875727566 is an apocalyptic number.

56875727566 is a deficient number, since it is larger than the sum of its proper divisors (42366613562).

56875727566 is a wasteful number, since it uses less digits than its factorization.

56875727566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580364583 (or 580364576 counting only the distinct ones).

The product of its digits is 148176000, while the sum is 64.

The spelling of 56875727566 in words is "fifty-six billion, eight hundred seventy-five million, seven hundred twenty-seven thousand, five hundred sixty-six".