50221317071 has 2 divisors, whose sum is σ = 50221317072. Its totient is φ = 50221317070.

The previous prime is 50221317053. The next prime is 50221317077. The reversal of 50221317071 is 17071312205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50221317071 - 2¹⁸ = 50221054927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50221317077) 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, 25110658535 + 25110658536.

It is an arithmetic number, because the mean of its divisors is an integer number (25110658536).

Almost surely, 2^50221317071 is an apocalyptic number.

50221317071 is a deficient number, since it is larger than the sum of its proper divisors (1).

50221317071 is an equidigital number, since it uses as much as digits as its factorization.

50221317071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

Adding to 50221317071 its reverse (17071312205), we get a palindrome (67292629276).

The spelling of 50221317071 in words is "fifty billion, two hundred twenty-one million, three hundred seventeen thousand, seventy-one".