50321321 has 4 divisors (see below), whose sum is σ = 51030144. Its totient is φ = 49612500.

The previous prime is 50321317. The next prime is 50321353. The reversal of 50321321 is 12312305.

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 50321321 - 2² = 50321317 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 50321321.

It is not an unprimeable number, because it can be changed into a prime (50321311) 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, 354305 + ... + 354446.

It is an arithmetic number, because the mean of its divisors is an integer number (12757536).

Almost surely, 2^50321321 is an apocalyptic number.

It is an amenable number.

50321321 is a deficient number, since it is larger than the sum of its proper divisors (708823).

50321321 is an equidigital number, since it uses as much as digits as its factorization.

50321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708822.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 50321321 is about 7093.7522511010. The cubic root of 50321321 is about 369.1906364823.

Adding to 50321321 its reverse (12312305), we get a palindrome (62633626).

The spelling of 50321321 in words is "fifty million, three hundred twenty-one thousand, three hundred twenty-one".