50521334321 has 6 divisors (see below), whose sum is σ = 50997920610. Its totient is φ = 50049160976.

The previous prime is 50521334257. The next prime is 50521334327. The reversal of 50521334321 is 12343312505.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34982465296 + 15538869025 = 187036^2 + 124655^2 .

It is not a de Polignac number, because 50521334321 - 2⁶ = 50521334257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50521334327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2194916 + ... + 2217813.

It is an arithmetic number, because the mean of its divisors is an integer number (8499653435).

Almost surely, 2^50521334321 is an apocalyptic number.

It is an amenable number.

50521334321 is a deficient number, since it is larger than the sum of its proper divisors (476586289).

50521334321 is an equidigital number, since it uses as much as digits as its factorization.

50521334321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412943 (or 4412836 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 50521334321 its reverse (12343312505), we get a palindrome (62864646826).

The spelling of 50521334321 in words is "fifty billion, five hundred twenty-one million, three hundred thirty-four thousand, three hundred twenty-one".