5555503 has 4 divisors (see below), whose sum is σ = 5561248. Its totient is φ = 5549760.

The previous prime is 5555497. The next prime is 5555507. The reversal of 5555503 is 3055555.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3055555 = 5 ⋅611111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5555503 is a prime.

It is a super-2 number, since 2×5555503² = 61727227166018, which contains 22 as substring.

It is a Duffinian number.

5555503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555507) 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, 1026 + ... + 3487.

It is an arithmetic number, because the mean of its divisors is an integer number (1390312).

Almost surely, 2^5555503 is an apocalyptic number.

5555503 is a deficient number, since it is larger than the sum of its proper divisors (5745).

5555503 is a wasteful number, since it uses less digits than its factorization.

5555503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744.

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 5555503 is about 2357.0114552119. The cubic root of 5555503 is about 177.1092030426.

The spelling of 5555503 in words is "five million, five hundred fifty-five thousand, five hundred three".