503056 has 20 divisors (see below), whose sum is σ = 1017792. Its totient is φ = 240416.

The previous prime is 503053. The next prime is 503077. The reversal of 503056 is 650305.

503056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with 514736 it forms an amicable pair .

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

It is not an unprimeable number, because it can be changed into a prime (503053) 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, 316 + ... + 1051.

2⁵⁰³⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

503056 is an abundant number, since it is smaller than the sum of its proper divisors (514736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503056 is a wasteful number, since it uses less digits than its factorization.

503056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1392 counting only the distinct ones).

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

The square root of 503056 is about 709.2644076788. The cubic root of 503056 is about 79.5314275229.

Adding to 503056 its product of nonzero digits (450), we get a triangular number (503506 = T₁₀₀₃).

The spelling of 503056 in words is "five hundred three thousand, fifty-six".