55656558620564 has 24 divisors (see below), whose sum is σ = 106254701906976. Its totient is φ = 25298132924000.

The previous prime is 55656558620513. The next prime is 55656558620651. The reversal of 55656558620564 is 46502685565655.

It is a junction number, because it is equal to n+sod(n) for n = 55656558620494 and 55656558620503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831827 + ... + 11224794.

It is an arithmetic number, because the mean of its divisors is an integer number (4427279246124).

Almost surely, 2^{55656558620564} is an apocalyptic number.

It is an amenable number.

55656558620564 is a deficient number, since it is larger than the sum of its proper divisors (50598143286412).

55656558620564 is a wasteful number, since it uses less digits than its factorization.

55656558620564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140647 (or 15140645 counting only the distinct ones).

The product of its (nonzero) digits is 1296000000, while the sum is 68.

The spelling of 55656558620564 in words is "fifty-five trillion, six hundred fifty-six billion, five hundred fifty-eight million, six hundred twenty thousand, five hundred sixty-four".