50500050521 has 2 divisors, whose sum is σ = 50500050522. Its totient is φ = 50500050520.

The previous prime is 50500050443. The next prime is 50500050527. The reversal of 50500050521 is 12505000505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36580770121 + 13919280400 = 191261^2 + 117980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50500050521 is a prime.

It is not a weakly prime, because it can be changed into another prime (50500050527) 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, 25250025260 + 25250025261.

It is an arithmetic number, because the mean of its divisors is an integer number (25250025261).

Almost surely, 2^50500050521 is an apocalyptic number.

It is an amenable number.

50500050521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50500050521 is an equidigital number, since it uses as much as digits as its factorization.

50500050521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1250, while the sum is 23.

The spelling of 50500050521 in words is "fifty billion, five hundred million, fifty thousand, five hundred twenty-one".