55600856486578 has 32 divisors (see below), whose sum is σ = 89838010463040. Its totient is φ = 25655865480000.

The previous prime is 55600856486573. The next prime is 55600856486579. The reversal of 55600856486578 is 87568465800655.

It is a self number, because there is not a number n which added to its sum of digits gives 55600856486578.

It is not an unprimeable number, because it can be changed into a prime (55600856486573) 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, 3345611553 + ... + 3345628171.

It is an arithmetic number, because the mean of its divisors is an integer number (2807437826970).

Almost surely, 2^{55600856486578} is an apocalyptic number.

55600856486578 is a deficient number, since it is larger than the sum of its proper divisors (34237153976462).

55600856486578 is a wasteful number, since it uses less digits than its factorization.

55600856486578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39322.

The product of its (nonzero) digits is 1935360000, while the sum is 73.

The spelling of 55600856486578 in words is "fifty-five trillion, six hundred billion, eight hundred fifty-six million, four hundred eighty-six thousand, five hundred seventy-eight".