555550505056 has 24 divisors (see below), whose sum is σ = 1093761729144. Its totient is φ = 277769748480.

The previous prime is 555550505039. The next prime is 555550505089. The reversal of 555550505056 is 650505055555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 555550504997 and 555550505015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824831 + ... + 2107393.

It is an arithmetic number, because the mean of its divisors is an integer number (45573405381).

Almost surely, 2^555550505056 is an apocalyptic number.

It is an amenable number.

555550505056 is a deficient number, since it is larger than the sum of its proper divisors (538211224088).

555550505056 is a wasteful number, since it uses less digits than its factorization.

555550505056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344014 (or 344006 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 555550505056 in words is "five hundred fifty-five billion, five hundred fifty million, five hundred five thousand, fifty-six".