50823 has 6 divisors (see below), whose sum is σ = 73424. Its totient is φ = 33876.

The previous prime is 50821. The next prime is 50833. The reversal of 50823 is 32805.

50823 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50823 - 2¹ = 50821 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 50796 and 50805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2815 + ... + 2832.

2⁵⁰⁸²³ is an apocalyptic number.

50823 is a deficient number, since it is larger than the sum of its proper divisors (22601).

50823 is a wasteful number, since it uses less digits than its factorization.

50823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653 (or 5650 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50823 is about 225.4395706171. The cubic root of 50823 is about 37.0413465232.

Subtracting from 50823 its sum of digits (18), we obtain a palindrome (50805).

The spelling of 50823 in words is "fifty thousand, eight hundred twenty-three".