50321122531 has 4 divisors (see below), whose sum is σ = 50378502112. Its totient is φ = 50263742952.

The previous prime is 50321122513. The next prime is 50321122619. The reversal of 50321122531 is 13522112305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50321122531 - 2⁵ = 50321122499 is a prime.

It is a super-2 number, since 2×50321122531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50321122496 and 50321122505.

It is not an unprimeable number, because it can be changed into a prime (50321122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28688475 + ... + 28690228.

It is an arithmetic number, because the mean of its divisors is an integer number (12594625528).

Almost surely, 2^50321122531 is an apocalyptic number.

50321122531 is a deficient number, since it is larger than the sum of its proper divisors (57379581).

50321122531 is an equidigital number, since it uses as much as digits as its factorization.

50321122531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57379580.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 50321122531 its reverse (13522112305), we get a palindrome (63843234836).

The spelling of 50321122531 in words is "fifty billion, three hundred twenty-one million, one hundred twenty-two thousand, five hundred thirty-one".