50005252621 has 2 divisors, whose sum is σ = 50005252622. Its totient is φ = 50005252620.

The previous prime is 50005252607. The next prime is 50005252631. The reversal of 50005252621 is 12625250005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34644376900 + 15360875721 = 186130^2 + 123939^2 .

It is a cyclic number.

It is not a de Polignac number, because 50005252621 - 2²¹ = 50003155469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50005252621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50005252631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002626310 + 25002626311.

It is an arithmetic number, because the mean of its divisors is an integer number (25002626311).

Almost surely, 2^50005252621 is an apocalyptic number.

It is an amenable number.

50005252621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005252621 is an equidigital number, since it uses as much as digits as its factorization.

50005252621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 50005252621 in words is "fifty billion, five million, two hundred fifty-two thousand, six hundred twenty-one".