50111 has 2 divisors, whose sum is σ = 50112.
Its totient is φ = 50110.
The previous prime is 50101. The next prime is 50119. The reversal of 50111 is 11105.
It is a happy number.
It is an a-pointer prime, because the next prime (50119) can be obtained adding 50111 to its sum of digits (8).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 50111 - 26 = 50047 is a prime.
It is a super-2 number, since 2×501112 = 5022224642, which contains 22 as substring.
It is a Chen prime.
It is an Ulam number.
50111 is a modest number, since divided by 111 gives 50 as remainder.
It is a plaindrome in base 12.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055 + 25056.
It is an arithmetic number, because the mean of its divisors is an integer number (25056).
250111 is an apocalyptic number.
50111 is a deficient number, since it is larger than the sum of its proper divisors (1).
50111 is an equidigital number, since it uses as much as digits as its factorization.
50111 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5, while the sum is 8.
The square root of 50111 is about 223.8548636952.
The cubic root of 50111 is about 36.8675566706.
Adding to 50111 its reverse (11105), we get a palindrome (61216).
It can be divided in two parts, 501 and 11, that added together give a 9-th power (512 = 29).
The spelling of 50111 in words is "fifty thousand, one hundred eleven".