5518669 has 8 divisors (see below), whose sum is σ = 5962880. Its totient is φ = 5077296.

The previous prime is 5518633. The next prime is 5518673. The reversal of 5518669 is 9668155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5518669 - 2⁹ = 5518157 is a prime.

It is a super-2 number, since 2×5518669² = 60911415063122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5512669) 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, 5224 + ... + 6190.

It is an arithmetic number, because the mean of its divisors is an integer number (745360).

Almost surely, 2^5518669 is an apocalyptic number.

It is an amenable number.

5518669 is a deficient number, since it is larger than the sum of its proper divisors (444211).

5518669 is a wasteful number, since it uses less digits than its factorization.

5518669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its digits is 64800, while the sum is 40.

The square root of 5518669 is about 2349.1847522066. The cubic root of 5518669 is about 176.7169126493.

It can be divided in two parts, 55186 and 69, that added together give a palindrome (55255).

The spelling of 5518669 in words is "five million, five hundred eighteen thousand, six hundred sixty-nine".