56005055560556 has 12 divisors (see below), whose sum is σ = 98418926091360. Its totient is φ = 27885362391600.

The previous prime is 56005055560529. The next prime is 56005055560621. The reversal of 56005055560556 is 65506555050065.

It is a junction number, because it is equal to n+sod(n) for n = 56005055560498 and 56005055560507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29291346095 + ... + 29291348006.

It is an arithmetic number, because the mean of its divisors is an integer number (8201577174280).

Almost surely, 2^{56005055560556} is an apocalyptic number.

It is an amenable number.

56005055560556 is a deficient number, since it is larger than the sum of its proper divisors (42413870530804).

56005055560556 is a wasteful number, since it uses less digits than its factorization.

56005055560556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58582694344 (or 58582694342 counting only the distinct ones).

The product of its (nonzero) digits is 16875000, while the sum is 53.

The spelling of 56005055560556 in words is "fifty-six trillion, five billion, fifty-five million, five hundred sixty thousand, five hundred fifty-six".