50512444221 has 32 divisors (see below), whose sum is σ = 70661652480. Its totient is φ = 32035439744.

The previous prime is 50512444219. The next prime is 50512444247. The reversal of 50512444221 is 12244421505.

It is a cyclic number.

It is not a de Polignac number, because 50512444221 - 2¹ = 50512444219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512444201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18188185 + ... + 18190961.

It is an arithmetic number, because the mean of its divisors is an integer number (2208176640).

Almost surely, 2^50512444221 is an apocalyptic number.

It is an amenable number.

50512444221 is a deficient number, since it is larger than the sum of its proper divisors (20149208259).

50512444221 is a wasteful number, since it uses less digits than its factorization.

50512444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 50512444221 its reverse (12244421505), we get a palindrome (62756865726).

The spelling of 50512444221 in words is "fifty billion, five hundred twelve million, four hundred forty-four thousand, two hundred twenty-one".