50665224461 has 2 divisors, whose sum is σ = 50665224462. Its totient is φ = 50665224460.

The previous prime is 50665224433. The next prime is 50665224479. The reversal of 50665224461 is 16442256605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50167488361 + 497736100 = 223981^2 + 22310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50665224461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50665224061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25332612230 + 25332612231.

It is an arithmetic number, because the mean of its divisors is an integer number (25332612231).

Almost surely, 2^50665224461 is an apocalyptic number.

It is an amenable number.

50665224461 is a deficient number, since it is larger than the sum of its proper divisors (1).

50665224461 is an equidigital number, since it uses as much as digits as its factorization.

50665224461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 50665224461 in words is "fifty billion, six hundred sixty-five million, two hundred twenty-four thousand, four hundred sixty-one".