18256055 has 16 divisors (see below), whose sum is σ = 23808000. Its totient is φ = 13387680.

The previous prime is 18256027. The next prime is 18256057. The reversal of 18256055 is 55065281.

It is not a de Polignac number, because 18256055 - 2⁸ = 18255799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18256057) 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, 155 + ... + 6044.

It is an arithmetic number, because the mean of its divisors is an integer number (1488000).

Almost surely, 2^18256055 is an apocalyptic number.

18256055 is a deficient number, since it is larger than the sum of its proper divisors (5551945).

18256055 is a wasteful number, since it uses less digits than its factorization.

18256055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 18256055 is about 4272.7104980328. The cubic root of 18256055 is about 263.3109854809.

The spelling of 18256055 in words is "eighteen million, two hundred fifty-six thousand, fifty-five".