50831575321 has 4 divisors (see below), whose sum is σ = 50937696000. Its totient is φ = 50725454644.

The previous prime is 50831575307. The next prime is 50831575363. The reversal of 50831575321 is 12357513805.

50831575321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50831575321 - 2²⁹ = 50294704409 is a prime.

It is a super-2 number, since 2×50831575321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50831575391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53059621 + ... + 53060578.

It is an arithmetic number, because the mean of its divisors is an integer number (12734424000).

Almost surely, 2^50831575321 is an apocalyptic number.

It is an amenable number.

50831575321 is a deficient number, since it is larger than the sum of its proper divisors (106120679).

50831575321 is a wasteful number, since it uses less digits than its factorization.

50831575321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106120678.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 50831575321 in words is "fifty billion, eight hundred thirty-one million, five hundred seventy-five thousand, three hundred twenty-one".