5500818 has 64 divisors (see below), whose sum is σ = 13178880. Its totient is φ = 1696464.

The previous prime is 5500811. The next prime is 5500819. The reversal of 5500818 is 8180055.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5500791 and 5500800.

It is not an unprimeable number, because it can be changed into a prime (5500811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53355 + ... + 53457.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

Almost surely, 2^5500818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5500818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6589440).

5500818 is an abundant number, since it is smaller than the sum of its proper divisors (7678062).

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

5500818 is a wasteful number, since it uses less digits than its factorization.

5500818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 5500818 is about 2345.3822716137. The cubic root of 5500818 is about 176.5261673172.

The spelling of 5500818 in words is "five million, five hundred thousand, eight hundred eighteen".