50503 has 2 divisors, whose sum is σ = 50504. Its totient is φ = 50502.

The previous prime is 50497. The next prime is 50513. The reversal of 50503 is 30505.

50503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50503 - 2⁹ = 49991 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25251 + 25252.

It is an arithmetic number, because the mean of its divisors is an integer number (25252).

2⁵⁰⁵⁰³ is an apocalyptic number.

50503 is a deficient number, since it is larger than the sum of its proper divisors (1).

50503 is an equidigital number, since it uses as much as digits as its factorization.

50503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75, while the sum is 13.

The square root of 50503 is about 224.7287253557. The cubic root of 50503 is about 36.9634408789.

The spelling of 50503 in words is "fifty thousand, five hundred three".