5518323 has 12 divisors (see below), whose sum is σ = 8246160. Its totient is φ = 3551856.

The previous prime is 5518301. The next prime is 5518339. The reversal of 5518323 is 3238155.

It is not a de Polignac number, because 5518323 - 2⁶ = 5518259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5518423) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10311 + ... + 10832.

It is an arithmetic number, because the mean of its divisors is an integer number (687180).

Almost surely, 2^5518323 is an apocalyptic number.

5518323 is a deficient number, since it is larger than the sum of its proper divisors (2727837).

5518323 is a wasteful number, since it uses less digits than its factorization.

5518323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21178 (or 21175 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5518323 is about 2349.1111084834. Note that the first 4 decimals coincide. The cubic root of 5518323 is about 176.7132194080.

The spelling of 5518323 in words is "five million, five hundred eighteen thousand, three hundred twenty-three".