5518918 has 4 divisors (see below), whose sum is σ = 8278380. Its totient is φ = 2759458.

The previous prime is 5518913. The next prime is 5518927. The reversal of 5518918 is 8198155.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379728 + ... + 1379731.

It is an arithmetic number, because the mean of its divisors is an integer number (2069595).

Almost surely, 2^5518918 is an apocalyptic number.

5518918 is a deficient number, since it is larger than the sum of its proper divisors (2759462).

5518918 is a wasteful number, since it uses less digits than its factorization.

5518918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759461.

The product of its digits is 14400, while the sum is 37.

The square root of 5518918 is about 2349.2377487177. The cubic root of 5518918 is about 176.7195704067.

The spelling of 5518918 in words is "five million, five hundred eighteen thousand, nine hundred eighteen".