50221317203 has 4 divisors (see below), whose sum is σ = 50221783728. Its totient is φ = 50220850680.

The previous prime is 50221317191. The next prime is 50221317229. The reversal of 50221317203 is 30271312205.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50221317203 - 2⁸ = 50221316947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50221310203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19538 + ... + 317528.

It is an arithmetic number, because the mean of its divisors is an integer number (12555445932).

Almost surely, 2^50221317203 is an apocalyptic number.

50221317203 is a deficient number, since it is larger than the sum of its proper divisors (466525).

50221317203 is a wasteful number, since it uses less digits than its factorization.

50221317203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466524.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 50221317203 its reverse (30271312205), we get a palindrome (80492629408).

The spelling of 50221317203 in words is "fifty billion, two hundred twenty-one million, three hundred seventeen thousand, two hundred three".