52003503 has 12 divisors (see below), whose sum is σ = 75441600. Its totient is φ = 34518816.

The previous prime is 52003447. The next prime is 52003507. The reversal of 52003503 is 30530025.

52003503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52003503 - 2⁶ = 52003439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10303 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (6286800).

Almost surely, 2^52003503 is an apocalyptic number.

52003503 is a deficient number, since it is larger than the sum of its proper divisors (23438097).

52003503 is a wasteful number, since it uses less digits than its factorization.

52003503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25038 (or 25035 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 52003503 is about 7211.3454361860. The cubic root of 52003503 is about 373.2594968952.

Adding to 52003503 its reverse (30530025), we get a palindrome (82533528).

The spelling of 52003503 in words is "fifty-two million, three thousand, five hundred three".