550550000055 has 16 divisors (see below), whose sum is σ = 960960000384. Its totient is φ = 266933333280.

The previous prime is 550550000053. The next prime is 550550000059. The reversal of 550550000055 is 550000055055.

It is not a de Polignac number, because 550550000055 - 2¹ = 550550000053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550549999977 and 550550000031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550000053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1668333169 + ... + 1668333498.

It is an arithmetic number, because the mean of its divisors is an integer number (60060000024).

Almost surely, 2^550550000055 is an apocalyptic number.

550550000055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550550000055 is a deficient number, since it is larger than the sum of its proper divisors (410410000329).

550550000055 is a wasteful number, since it uses less digits than its factorization.

550550000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336666686.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 550550000055 in words is "five hundred fifty billion, five hundred fifty million, fifty-five", and thus it is an aban number.