5518688 has 48 divisors (see below), whose sum is σ = 12628224. Its totient is φ = 2325120.

The previous prime is 5518687. The next prime is 5518817. The reversal of 5518688 is 8868155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15731 + ... + 16077.

It is an arithmetic number, because the mean of its divisors is an integer number (263088).

Almost surely, 2^5518688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5518688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6314112).

5518688 is an abundant number, since it is smaller than the sum of its proper divisors (7109536).

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

5518688 is a wasteful number, since it uses less digits than its factorization.

5518688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 427 counting only the distinct ones).

The product of its digits is 76800, while the sum is 41.

The square root of 5518688 is about 2349.1887961592. The cubic root of 5518688 is about 176.7171154529.

The spelling of 5518688 in words is "five million, five hundred eighteen thousand, six hundred eighty-eight".