5591003 has 4 divisors (see below), whose sum is σ = 6099288. Its totient is φ = 5082720.

The previous prime is 5590987. The next prime is 5591009. The reversal of 5591003 is 3001955.

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 5591003 - 2⁴ = 5590987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5591003.

It is not an unprimeable number, because it can be changed into a prime (5591009) 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, 254126 + ... + 254147.

It is an arithmetic number, because the mean of its divisors is an integer number (1524822).

Almost surely, 2^5591003 is an apocalyptic number.

5591003 is a deficient number, since it is larger than the sum of its proper divisors (508285).

5591003 is a wasteful number, since it uses less digits than its factorization.

5591003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508284.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 5591003 is about 2364.5301858932. The cubic root of 5591003 is about 177.4856485123.

Adding to 5591003 its reverse (3001955), we get a palindrome (8592958).

The spelling of 5591003 in words is "five million, five hundred ninety-one thousand, three".