50311 has 2 divisors, whose sum is σ = 50312. Its totient is φ = 50310.

The previous prime is 50291. The next prime is 50321. The reversal of 50311 is 11305.

50311 is nontrivially palindromic in base 13.

It is an a-pointer prime, because the next prime (50321) can be obtained adding 50311 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50311 is a prime.

It is a plaindrome in base 11 and base 14.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25155 + 25156.

It is an arithmetic number, because the mean of its divisors is an integer number (25156).

2⁵⁰³¹¹ is an apocalyptic number.

50311 is the 130-th hex number.

50311 is a deficient number, since it is larger than the sum of its proper divisors (1).

50311 is an equidigital number, since it uses as much as digits as its factorization.

50311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 50311 is about 224.3011368674. The cubic root of 50311 is about 36.9165394186.

Adding to 50311 its reverse (11305), we get a palindrome (61616).

It can be divided in two parts, 50 and 311, that added together give a square (361 = 19²).

The spelling of 50311 in words is "fifty thousand, three hundred eleven".