5555500505556 has 24 divisors (see below), whose sum is σ = 12962940164160. Its totient is φ = 1851818408832.

The previous prime is 5555500505501. The next prime is 5555500505561. The reversal of 5555500505556 is 6555050055555.

It is a junction number, because it is equal to n+sod(n) for n = 5555500505499 and 5555500505508.

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, 299541 + ... + 3346748.

It is an arithmetic number, because the mean of its divisors is an integer number (540122506840).

Almost surely, 2^{5555500505556} is an apocalyptic number.

It is an amenable number.

5555500505556 is an abundant number, since it is smaller than the sum of its proper divisors (7407439658604).

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

5555500505556 is a wasteful number, since it uses less digits than its factorization.

5555500505556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773263 (or 3773261 counting only the distinct ones).

The product of its (nonzero) digits is 11718750, while the sum is 51.

The spelling of 5555500505556 in words is "five trillion, five hundred fifty-five billion, five hundred million, five hundred five thousand, five hundred fifty-six".