50663 has 4 divisors (see below), whose sum is σ = 52440. Its totient is φ = 48888.

The previous prime is 50651. The next prime is 50671. The reversal of 50663 is 36605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36605 = 5 ⋅7321.

It is a cyclic number.

It is not a de Polignac number, because 50663 - 2⁴ = 50647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845 + ... + 902.

It is an arithmetic number, because the mean of its divisors is an integer number (13110).

2⁵⁰⁶⁶³ is an apocalyptic number.

50663 is a deficient number, since it is larger than the sum of its proper divisors (1777).

50663 is a wasteful number, since it uses less digits than its factorization.

50663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 50663 is about 225.0844286040. The cubic root of 50663 is about 37.0024347071.

It can be divided in two parts, 506 and 63, that multiplied together give a triangular number (31878 = T₂₅₂).

The spelling of 50663 in words is "fifty thousand, six hundred sixty-three".