50604608221 has 2 divisors, whose sum is σ = 50604608222. Its totient is φ = 50604608220.

The previous prime is 50604608137. The next prime is 50604608267. The reversal of 50604608221 is 12280640605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31007688100 + 19596920121 = 176090^2 + 139989^2 .

It is a cyclic number.

It is not a de Polignac number, because 50604608221 - 2⁹ = 50604607709 is a prime.

It is a super-3 number, since 3×50604608221³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50604638221) 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, 25302304110 + 25302304111.

It is an arithmetic number, because the mean of its divisors is an integer number (25302304111).

Almost surely, 2^50604608221 is an apocalyptic number.

It is an amenable number.

50604608221 is a deficient number, since it is larger than the sum of its proper divisors (1).

50604608221 is an equidigital number, since it uses as much as digits as its factorization.

50604608221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 50604608221 in words is "fifty billion, six hundred four million, six hundred eight thousand, two hundred twenty-one".