5518656 has 168 divisors, whose sum is σ = 18861024. Its totient is φ = 1520640.

The previous prime is 5518633. The next prime is 5518673. The reversal of 5518656 is 6568155.

It is a super-3 number, since 3×5518656³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (36000) is a multiple of the sum of its prime divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 5518656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82335 + ... + 82401.

It is an arithmetic number, because the mean of its divisors is an integer number (112268).

Almost surely, 2^5518656 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 5518656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9430512).

5518656 is an abundant number, since it is smaller than the sum of its proper divisors (13342368).

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

5518656 is a wasteful number, since it uses less digits than its factorization.

5518656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 96 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5518656 is about 2349.1819852876. The cubic root of 5518656 is about 176.7167738887.

The spelling of 5518656 in words is "five million, five hundred eighteen thousand, six hundred fifty-six".