5550505050021 has 16 divisors (see below), whose sum is σ = 7483985288640. Its totient is φ = 3658837064960.

The previous prime is 5550505049989. The next prime is 5550505050043. The reversal of 5550505050021 is 1200505050555.

It is a cyclic number.

It is not a de Polignac number, because 5550505050021 - 2⁵ = 5550505049989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550505050821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19396350 + ... + 19680431.

It is an arithmetic number, because the mean of its divisors is an integer number (467749080540).

Almost surely, 2^{5550505050021} is an apocalyptic number.

It is an amenable number.

5550505050021 is a deficient number, since it is larger than the sum of its proper divisors (1933480238619).

5550505050021 is a wasteful number, since it uses less digits than its factorization.

5550505050021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39077316.

The product of its (nonzero) digits is 31250, while the sum is 33.

The spelling of 5550505050021 in words is "five trillion, five hundred fifty billion, five hundred five million, fifty thousand, twenty-one".