50321684381 has 4 divisors (see below), whose sum is σ = 50435277792. Its totient is φ = 50208090972.

The previous prime is 50321684363. The next prime is 50321684401. The reversal of 50321684381 is 18348612305.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18348612305 = 5 ⋅3669722461.

It is a cyclic number.

It is not a de Polignac number, because 50321684381 - 2²² = 50317490077 is a prime.

It is a super-2 number, since 2×50321684381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50321684311) 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, 56796041 + ... + 56796926.

It is an arithmetic number, because the mean of its divisors is an integer number (12608819448).

Almost surely, 2^50321684381 is an apocalyptic number.

It is an amenable number.

50321684381 is a deficient number, since it is larger than the sum of its proper divisors (113593411).

50321684381 is a wasteful number, since it uses less digits than its factorization.

50321684381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113593410.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 50321684381 in words is "fifty billion, three hundred twenty-one million, six hundred eighty-four thousand, three hundred eighty-one".