5555550550055 has 16 divisors (see below), whose sum is σ = 7278878909088. Its totient is φ = 4036979184000.

The previous prime is 5555550549971. The next prime is 5555550550061. The reversal of 5555550550055 is 5500550555555.

It is a de Polignac number, because none of the positive numbers 2^k-5555550550055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5555550549985 and 5555550550012.

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, 42699656 + ... + 42829565.

It is an arithmetic number, because the mean of its divisors is an integer number (454929931818).

Almost surely, 2^{5555550550055} is an apocalyptic number.

5555550550055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5555550550055 is a deficient number, since it is larger than the sum of its proper divisors (1723328359033).

5555550550055 is a wasteful number, since it uses less digits than its factorization.

5555550550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85530418.

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

The spelling of 5555550550055 in words is "five trillion, five hundred fifty-five billion, five hundred fifty million, five hundred fifty thousand, fifty-five".