5549918 has 16 divisors (see below), whose sum is σ = 9120384. Its totient is φ = 2511960.

The previous prime is 5549909. The next prime is 5549927. The reversal of 5549918 is 8199455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5549909) and next prime (5549927).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7271 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (570024).

Almost surely, 2^5549918 is an apocalyptic number.

5549918 is a deficient number, since it is larger than the sum of its proper divisors (3570466).

5549918 is a wasteful number, since it uses less digits than its factorization.

5549918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 64800, while the sum is 41.

The square root of 5549918 is about 2355.8263942829. The cubic root of 5549918 is about 177.0498332877.

The spelling of 5549918 in words is "five million, five hundred forty-nine thousand, nine hundred eighteen".