5591243 has 8 divisors (see below), whose sum is σ = 6520800. Its totient is φ = 4792200.

The previous prime is 5591233. The next prime is 5591269. The reversal of 5591243 is 3421955.

It is not a de Polignac number, because 5591243 - 2⁴ = 5591227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5591213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7808 + ... + 8493.

It is an arithmetic number, because the mean of its divisors is an integer number (815100).

Almost surely, 2^5591243 is an apocalyptic number.

5591243 is a deficient number, since it is larger than the sum of its proper divisors (929557).

5591243 is an equidigital number, since it uses as much as digits as its factorization.

5591243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16322 (or 16308 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 5591243 is about 2364.5809353879. The cubic root of 5591243 is about 177.4881880654.

It can be divided in two parts, 55912 and 43, that added together give a palindrome (55955).

The spelling of 5591243 in words is "five million, five hundred ninety-one thousand, two hundred forty-three".