5520503 has 4 divisors (see below), whose sum is σ = 5544840. Its totient is φ = 5496168.

The previous prime is 5520499. The next prime is 5520509. The reversal of 5520503 is 3050255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5520503 - 2² = 5520499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520509) 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 3 ways as a sum of consecutive naturals, for example, 11825 + ... + 12282.

It is an arithmetic number, because the mean of its divisors is an integer number (1386210).

Almost surely, 2^5520503 is an apocalyptic number.

5520503 is a deficient number, since it is larger than the sum of its proper divisors (24337).

5520503 is a wasteful number, since it uses less digits than its factorization.

5520503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 5520503 is about 2349.5750679644. The cubic root of 5520503 is about 176.7364863860.

Adding to 5520503 its reverse (3050255), we get a palindrome (8570758).

The spelling of 5520503 in words is "five million, five hundred twenty thousand, five hundred three".