18046055 has 4 divisors (see below), whose sum is σ = 21655272. Its totient is φ = 14436840.

The previous prime is 18046043. The next prime is 18046069. The reversal of 18046055 is 55064081.

It is a happy number.

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

It is not a de Polignac number, because 18046055 - 2¹⁰ = 18045031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804601 + ... + 1804610.

It is an arithmetic number, because the mean of its divisors is an integer number (5413818).

Almost surely, 2^18046055 is an apocalyptic number.

18046055 is a deficient number, since it is larger than the sum of its proper divisors (3609217).

18046055 is an equidigital number, since it uses as much as digits as its factorization.

18046055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609216.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 18046055 is about 4248.0648535539. The cubic root of 18046055 is about 262.2974643302.

The spelling of 18046055 in words is "eighteen million, forty-six thousand, fifty-five".