50421758353 has 2 divisors, whose sum is σ = 50421758354. Its totient is φ = 50421758352.

The previous prime is 50421758347. The next prime is 50421758411. The reversal of 50421758353 is 35385712405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36163487889 + 14258270464 = 190167^2 + 119408^2 .

It is a cyclic number.

It is not a de Polignac number, because 50421758353 - 2¹⁷ = 50421627281 is a prime.

It is not a weakly prime, because it can be changed into another prime (50421708353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210879176 + 25210879177.

It is an arithmetic number, because the mean of its divisors is an integer number (25210879177).

Almost surely, 2^50421758353 is an apocalyptic number.

It is an amenable number.

50421758353 is a deficient number, since it is larger than the sum of its proper divisors (1).

50421758353 is an equidigital number, since it uses as much as digits as its factorization.

50421758353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 50421758353 in words is "fifty billion, four hundred twenty-one million, seven hundred fifty-eight thousand, three hundred fifty-three".