50953412281 has 2 divisors, whose sum is σ = 50953412282. Its totient is φ = 50953412280.

The previous prime is 50953412249. The next prime is 50953412303. The reversal of 50953412281 is 18221435905.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32477806656 + 18475605625 = 180216^2 + 135925^2 .

It is a cyclic number.

It is not a de Polignac number, because 50953412281 - 2⁵ = 50953412249 is a prime.

It is a super-2 number, since 2×50953412281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50953412201) 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, 25476706140 + 25476706141.

It is an arithmetic number, because the mean of its divisors is an integer number (25476706141).

Almost surely, 2^50953412281 is an apocalyptic number.

It is an amenable number.

50953412281 is a deficient number, since it is larger than the sum of its proper divisors (1).

50953412281 is an equidigital number, since it uses as much as digits as its factorization.

50953412281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 50953412281 in words is "fifty billion, nine hundred fifty-three million, four hundred twelve thousand, two hundred eighty-one".