5505555550055 has 16 divisors (see below), whose sum is σ = 7207688160288. Its totient is φ = 4003809600000.

The previous prime is 5505555550007. The next prime is 5505555550109. The reversal of 5505555550055 is 5500555555055.

It is not a de Polignac number, because 5505555550055 - 2²⁰ = 5505554501479 is a prime.

It is a super-2 number, since 2×5505555550055² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5505555549985 and 5505555550012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919246 + ... + 3833355.

It is an arithmetic number, because the mean of its divisors is an integer number (450480510018).

Almost surely, 2^{5505555550055} is an apocalyptic number.

5505555550055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5505555550055 is a deficient number, since it is larger than the sum of its proper divisors (1702132610233).

5505555550055 is a wasteful number, since it uses less digits than its factorization.

5505555550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770018.

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

The spelling of 5505555550055 in words is "five trillion, five hundred five billion, five hundred fifty-five million, five hundred fifty thousand, fifty-five".