6550550550055 has 16 divisors (see below), whose sum is σ = 8069330041344. Its totient is φ = 5102111256480.

The previous prime is 6550550550023. The next prime is 6550550550097. The reversal of 6550550550055 is 5500550550556.

It is a happy number.

It is not a de Polignac number, because 6550550550055 - 2⁵ = 6550550550023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6550550549987 and 6550550550014.

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, 48916539 + ... + 49050268.

It is an arithmetic number, because the mean of its divisors is an integer number (504333127584).

Almost surely, 2^{6550550550055} is an apocalyptic number.

6550550550055 is a deficient number, since it is larger than the sum of its proper divisors (1518779491289).

6550550550055 is a wasteful number, since it uses less digits than its factorization.

6550550550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97967166.

The product of its (nonzero) digits is 2343750, while the sum is 46.

The spelling of 6550550550055 in words is "six trillion, five hundred fifty billion, five hundred fifty million, five hundred fifty thousand, fifty-five".