50321 has 2 divisors, whose sum is σ = 50322. Its totient is φ = 50320.

The previous prime is 50311. The next prime is 50329. The reversal of 50321 is 12305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46225 + 4096 = 215^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 50321 - 2¹⁰ = 49297 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 50321.

It is not a weakly prime, because it can be changed into another prime (50329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25160 + 25161.

It is an arithmetic number, because the mean of its divisors is an integer number (25161).

2⁵⁰³²¹ is an apocalyptic number.

It is an amenable number.

50321 is a deficient number, since it is larger than the sum of its proper divisors (1).

50321 is an equidigital number, since it uses as much as digits as its factorization.

50321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 50321 is about 224.3234272206. The cubic root of 50321 is about 36.9189851458.

Adding to 50321 its reverse (12305), we get a palindrome (62626).

The spelling of 50321 in words is "fifty thousand, three hundred twenty-one".