50103 has 12 divisors (see below), whose sum is σ = 76440. Its totient is φ = 31536.

The previous prime is 50101. The next prime is 50111. The reversal of 50103 is 30105.

It is not a de Polignac number, because 50103 - 2¹ = 50101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25 + ... + 317.

It is an arithmetic number, because the mean of its divisors is an integer number (6370).

2⁵⁰¹⁰³ is an apocalyptic number.

50103 is a deficient number, since it is larger than the sum of its proper divisors (26337).

50103 is a wasteful number, since it uses less digits than its factorization.

50103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 50103 is about 223.8369942614. The cubic root of 50103 is about 36.8655946519.

Adding to 50103 its reverse (30105), we get a palindrome (80208).

It can be divided in two parts, 50 and 103, that added together give a triangular number (153 = T₁₇).

The spelling of 50103 in words is "fifty thousand, one hundred three".