50403 has 8 divisors (see below), whose sum is σ = 68688. Its totient is φ = 32864.

The previous prime is 50387. The next prime is 50411. The reversal of 50403 is 30405.

50403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

50403 is a nontrivial binomial coefficient, being equal to C(318, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50403 - 2⁴ = 50387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 317.

It is an arithmetic number, because the mean of its divisors is an integer number (8586).

2⁵⁰⁴⁰³ is an apocalyptic number.

50403 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

50403 is the 317-th triangular number and also the 159-th hexagonal number.

50403 is a deficient number, since it is larger than the sum of its proper divisors (18285).

50403 is a wasteful number, since it uses less digits than its factorization.

50403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 50403 is about 224.5061246381. The cubic root of 50403 is about 36.9390278971.

Adding to 50403 its reverse (30405), we get a palindrome (80808).

The spelling of 50403 in words is "fifty thousand, four hundred three".