50221317001 has 2 divisors, whose sum is σ = 50221317002. Its totient is φ = 50221317000.

The previous prime is 50221316987. The next prime is 50221317053. The reversal of 50221317001 is 10071312205.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28405731600 + 21815585401 = 168540^2 + 147701^2 .

It is a cyclic number.

It is not a de Polignac number, because 50221317001 - 2²⁷ = 50087099273 is a prime.

It is not a weakly prime, because it can be changed into another prime (50221317071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25110658500 + 25110658501.

It is an arithmetic number, because the mean of its divisors is an integer number (25110658501).

Almost surely, 2^50221317001 is an apocalyptic number.

It is an amenable number.

50221317001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50221317001 is an equidigital number, since it uses as much as digits as its factorization.

50221317001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 50221317001 its reverse (10071312205), we get a palindrome (60292629206).

The spelling of 50221317001 in words is "fifty billion, two hundred twenty-one million, three hundred seventeen thousand, one".