5518326 has 32 divisors (see below), whose sum is σ = 12157056. Its totient is φ = 1669800.

The previous prime is 5518301. The next prime is 5518339. The reversal of 5518326 is 6238155.

It is a junction number, because it is equal to n+sod(n) for n = 5518293 and 5518302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7641 + ... + 8331.

It is an arithmetic number, because the mean of its divisors is an integer number (379908).

Almost surely, 2^5518326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5518326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6078528).

5518326 is an abundant number, since it is smaller than the sum of its proper divisors (6638730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5518326 is a wasteful number, since it uses less digits than its factorization.

5518326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 707 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 5518326 is about 2349.1117470227. Note that the first 3 decimals coincide. The cubic root of 5518326 is about 176.7132514309.

It can be divided in two parts, 55 and 18326, that added together give a palindrome (18381).

The spelling of 5518326 in words is "five million, five hundred eighteen thousand, three hundred twenty-six".