550105505055 has 16 divisors (see below), whose sum is σ = 977965342560. Its totient is φ = 293389602624.

The previous prime is 550105504969. The next prime is 550105505077. The reversal of 550105505055 is 550505501055.

It is a happy number.

550105505055 is a `hidden beast` number, since 5 + 5 + 0 + 1 + 0 + 550 + 50 + 55 = 666.

550105505055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550105505055 - 2¹¹ = 550105503007 is a prime.

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, 2037427662 + ... + 2037427931.

It is an arithmetic number, because the mean of its divisors is an integer number (61122833910).

Almost surely, 2^550105505055 is an apocalyptic number.

550105505055 is a deficient number, since it is larger than the sum of its proper divisors (427859837505).

550105505055 is a wasteful number, since it uses less digits than its factorization.

550105505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074855607 (or 4074855601 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 550105505055 in words is "five hundred fifty billion, one hundred five million, five hundred five thousand, fifty-five".