5050005505021 has 2 divisors, whose sum is σ = 5050005505022. Its totient is φ = 5050005505020.

The previous prime is 5050005505009. The next prime is 5050005505087. The reversal of 5050005505021 is 1205055000505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4694419888921 + 355585616100 = 2166661^2 + 596310^2 .

It is a cyclic number.

It is not a de Polignac number, because 5050005505021 - 2¹⁷ = 5050005373949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5050005505621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525002752510 + 2525002752511.

It is an arithmetic number, because the mean of its divisors is an integer number (2525002752511).

Almost surely, 2^{5050005505021} is an apocalyptic number.

It is an amenable number.

5050005505021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5050005505021 is an equidigital number, since it uses as much as digits as its factorization.

5050005505021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6250, while the sum is 28.

The spelling of 5050005505021 in words is "five trillion, fifty billion, five million, five hundred five thousand, twenty-one".