50435122321 has 4 divisors (see below), whose sum is σ = 52174264500. Its totient is φ = 48695980144.

The previous prime is 50435122313. The next prime is 50435122357. The reversal of 50435122321 is 12322153405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12322153405 = 5 ⋅2464430681.

It can be written as a sum of positive squares in 2 ways, for example, as 42782371921 + 7652750400 = 206839^2 + 87480^2 .

It is a cyclic number.

It is not a de Polignac number, because 50435122321 - 2³ = 50435122313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50435122321.

It is not an unprimeable number, because it can be changed into a prime (50435122721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869571046 + ... + 869571103.

It is an arithmetic number, because the mean of its divisors is an integer number (13043566125).

Almost surely, 2^50435122321 is an apocalyptic number.

It is an amenable number.

50435122321 is a deficient number, since it is larger than the sum of its proper divisors (1739142179).

50435122321 is a wasteful number, since it uses less digits than its factorization.

50435122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739142178.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 50435122321 its reverse (12322153405), we get a palindrome (62757275726).

The spelling of 50435122321 in words is "fifty billion, four hundred thirty-five million, one hundred twenty-two thousand, three hundred twenty-one".