6559620056 has 48 divisors (see below), whose sum is σ = 14106884400. Its totient is φ = 2851999040.

The previous prime is 6559620049. The next prime is 6559620071. The reversal of 6559620056 is 6500269556.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 6559619989 and 6559620016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125051 + ... + 169578.

It is an arithmetic number, because the mean of its divisors is an integer number (293893425).

Almost surely, 2^6559620056 is an apocalyptic number.

It is an amenable number.

6559620056 is an abundant number, since it is smaller than the sum of its proper divisors (7547264344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6559620056 is a wasteful number, since it uses less digits than its factorization.

6559620056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294680 (or 294665 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 6559620056 is about 80991.4813792167. The cubic root of 6559620056 is about 1871.9441832957.

The spelling of 6559620056 in words is "six billion, five hundred fifty-nine million, six hundred twenty thousand, fifty-six".