18054655 has 16 divisors (see below), whose sum is σ = 23800320. Its totient is φ = 13087008.

The previous prime is 18054653. The next prime is 18054667. The reversal of 18054655 is 55645081.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18054655 - 2¹ = 18054653 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18054655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18054653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947 + ... + 6316.

It is an arithmetic number, because the mean of its divisors is an integer number (1487520).

Almost surely, 2^18054655 is an apocalyptic number.

18054655 is a deficient number, since it is larger than the sum of its proper divisors (5745665).

18054655 is a wasteful number, since it uses less digits than its factorization.

18054655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310.

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

The square root of 18054655 is about 4249.0769585876. The cubic root of 18054655 is about 262.3391244041.

The spelling of 18054655 in words is "eighteen million, fifty-four thousand, six hundred fifty-five".