50267943521 has 2 divisors, whose sum is σ = 50267943522. Its totient is φ = 50267943520.

The previous prime is 50267943497. The next prime is 50267943529. The reversal of 50267943521 is 12534976205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26297162896 + 23970780625 = 162164^2 + 154825^2 .

It is a cyclic number.

It is not a de Polignac number, because 50267943521 - 2¹⁴ = 50267927137 is a prime.

It is a super-2 number, since 2×50267943521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50267943529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25133971760 + 25133971761.

It is an arithmetic number, because the mean of its divisors is an integer number (25133971761).

Almost surely, 2^50267943521 is an apocalyptic number.

It is an amenable number.

50267943521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50267943521 is an equidigital number, since it uses as much as digits as its factorization.

50267943521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 50267943521 in words is "fifty billion, two hundred sixty-seven million, nine hundred forty-three thousand, five hundred twenty-one".