5503603 has 8 divisors (see below), whose sum is σ = 6393440. Its totient is φ = 4639680.

The previous prime is 5503577. The next prime is 5503609. The reversal of 5503603 is 3063055.

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 5503603 - 2⁵ = 5503571 is a prime.

It is a Duffinian number.

5503603 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5503609) 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, 6018 + ... + 6871.

It is an arithmetic number, because the mean of its divisors is an integer number (799180).

Almost surely, 2^5503603 is an apocalyptic number.

5503603 is a deficient number, since it is larger than the sum of its proper divisors (889837).

5503603 is a wasteful number, since it uses less digits than its factorization.

5503603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 5503603 is about 2345.9759163299. The cubic root of 5503603 is about 176.5559533375. Note that the first 3 decimals are identical.

Adding to 5503603 its reverse (3063055), we get a palindrome (8566658).

The spelling of 5503603 in words is "five million, five hundred three thousand, six hundred three".