50323221821 has 16 divisors (see below), whose sum is σ = 51634635840. Its totient is φ = 49029340800.

The previous prime is 50323221787. The next prime is 50323221829. The reversal of 50323221821 is 12812232305.

It is a cyclic number.

It is not a de Polignac number, because 50323221821 - 2⁶ = 50323221757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50323221829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7420010 + ... + 7426788.

It is an arithmetic number, because the mean of its divisors is an integer number (3227164740).

Almost surely, 2^50323221821 is an apocalyptic number.

It is an amenable number.

50323221821 is a deficient number, since it is larger than the sum of its proper divisors (1311414019).

50323221821 is a wasteful number, since it uses less digits than its factorization.

50323221821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 50323221821 in words is "fifty billion, three hundred twenty-three million, two hundred twenty-one thousand, eight hundred twenty-one".