50563 has 4 divisors (see below), whose sum is σ = 51480. Its totient is φ = 49648.

The previous prime is 50551. The next prime is 50581. The reversal of 50563 is 36505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50563 - 2⁹ = 50051 is a prime.

It is an Ulam number.

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

It is a Duffinian number.

50563 is a lucky number.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 50563.

It is not an unprimeable number, because it can be changed into a prime (50503) 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 in 3 ways as a sum of consecutive naturals, for example, 370 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (12870).

2⁵⁰⁵⁶³ is an apocalyptic number.

50563 is a deficient number, since it is larger than the sum of its proper divisors (917).

50563 is an equidigital number, since it uses as much as digits as its factorization.

50563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 50563 is about 224.8621800126. The cubic root of 50563 is about 36.9780732027.

The spelling of 50563 in words is "fifty thousand, five hundred sixty-three".