55505005550555 has 32 divisors (see below), whose sum is σ = 73767760957440. Its totient is φ = 39752826347520.

The previous prime is 55505005550461. The next prime is 55505005550633. The reversal of 55505005550555 is 55505550050555.

It is not a de Polignac number, because 55505005550555 - 2²⁰ = 55505004501979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10005062 + ... + 14529668.

It is an arithmetic number, because the mean of its divisors is an integer number (2305242529920).

Almost surely, 2^{55505005550555} is an apocalyptic number.

55505005550555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55505005550555 is a deficient number, since it is larger than the sum of its proper divisors (18262755406885).

55505005550555 is a wasteful number, since it uses less digits than its factorization.

55505005550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528019.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 55505005550555 in words is "fifty-five trillion, five hundred five billion, five million, five hundred fifty thousand, five hundred fifty-five".