5545618 has 16 divisors (see below), whose sum is σ = 9003456. Its totient is φ = 2546640.

The previous prime is 5545609. The next prime is 5545627. The reversal of 5545618 is 8165455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5545609) and next prime (5545627).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6433 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (562716).

Almost surely, 2^5545618 is an apocalyptic number.

5545618 is a deficient number, since it is larger than the sum of its proper divisors (3457838).

5545618 is a wasteful number, since it uses less digits than its factorization.

5545618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089.

The product of its digits is 24000, while the sum is 34.

The square root of 5545618 is about 2354.9135865250. The cubic root of 5545618 is about 177.0040962164.

The spelling of 5545618 in words is "five million, five hundred forty-five thousand, six hundred eighteen".