550646646055 has 32 divisors (see below), whose sum is σ = 725332405248. Its totient is φ = 397985011200.

The previous prime is 550646645957. The next prime is 550646646079.

550646646055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 550646646055 - 2¹⁷ = 550646514983 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 550646645993 and 550646646011.

It is a congruent number.

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, 6412534 + ... + 6497836.

It is an arithmetic number, because the mean of its divisors is an integer number (22666637664).

Almost surely, 2^550646646055 is an apocalyptic number.

550646646055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550646646055 is a deficient number, since it is larger than the sum of its proper divisors (174685759193).

550646646055 is a wasteful number, since it uses less digits than its factorization.

550646646055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86047.

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 550646646055 in words is "five hundred fifty billion, six hundred forty-six million, six hundred forty-six thousand, fifty-five".