5555005055566 has 16 divisors (see below), whose sum is σ = 8359684987680. Its totient is φ = 2768457877920.

The previous prime is 5555005055557. The next prime is 5555005055591. The reversal of 5555005055566 is 6655505005555.

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 7 ways as a sum of consecutive naturals, for example, 2853466 + ... + 4387741.

It is an arithmetic number, because the mean of its divisors is an integer number (522480311730).

Almost surely, 2^{5555005055566} is an apocalyptic number.

5555005055566 is a deficient number, since it is larger than the sum of its proper divisors (2804679932114).

5555005055566 is a wasteful number, since it uses less digits than its factorization.

5555005055566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242459.

The product of its (nonzero) digits is 14062500, while the sum is 52.

The spelling of 5555005055566 in words is "five trillion, five hundred fifty-five billion, five million, fifty-five thousand, five hundred sixty-six".