5050005505621 has 2 divisors, whose sum is σ = 5050005505622. Its totient is φ = 5050005505620.

The previous prime is 5050005505529. The next prime is 5050005505663. The reversal of 5050005505621 is 1265055000505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4188923582596 + 861081923025 = 2046686^2 + 927945^2 .

It is a cyclic number.

It is not a de Polignac number, because 5050005505621 - 2⁹ = 5050005505109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5050005505021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525002752810 + 2525002752811.

It is an arithmetic number, because the mean of its divisors is an integer number (2525002752811).

Almost surely, 2^{5050005505621} is an apocalyptic number.

It is an amenable number.

5050005505621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5050005505621 is an equidigital number, since it uses as much as digits as its factorization.

5050005505621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 5050005505621 in words is "five trillion, fifty billion, five million, five hundred five thousand, six hundred twenty-one".