50550312313 has 2 divisors, whose sum is σ = 50550312314. Its totient is φ = 50550312312.

The previous prime is 50550312299. The next prime is 50550312317. The reversal of 50550312313 is 31321305505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28519441129 + 22030871184 = 168877^2 + 148428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50550312313 is a prime.

It is not a weakly prime, because it can be changed into another prime (50550312317) 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, 25275156156 + 25275156157.

It is an arithmetic number, because the mean of its divisors is an integer number (25275156157).

Almost surely, 2^50550312313 is an apocalyptic number.

It is an amenable number.

50550312313 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550312313 is an equidigital number, since it uses as much as digits as its factorization.

50550312313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 50550312313 its reverse (31321305505), we get a palindrome (81871617818).

The spelling of 50550312313 in words is "fifty billion, five hundred fifty million, three hundred twelve thousand, three hundred thirteen".