5550503 has 4 divisors (see below), whose sum is σ = 6343440. Its totient is φ = 4757568.

The previous prime is 5550497. The next prime is 5550529. The reversal of 5550503 is 3050555.

It is a happy number.

5550503 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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 5550503 - 2⁶ = 5550439 is a prime.

It is a Duffinian number.

5550503 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550553) 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, 396458 + ... + 396471.

It is an arithmetic number, because the mean of its divisors is an integer number (1585860).

Almost surely, 2^5550503 is an apocalyptic number.

5550503 is a deficient number, since it is larger than the sum of its proper divisors (792937).

5550503 is an equidigital number, since it uses as much as digits as its factorization.

5550503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792936.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 5550503 is about 2355.9505512638. The cubic root of 5550503 is about 177.0560538309.

The spelling of 5550503 in words is "five million, five hundred fifty thousand, five hundred three".