18055256 has 16 divisors (see below), whose sum is σ = 33910800. Its totient is φ = 9012384.

The previous prime is 18055249. The next prime is 18055259. The reversal of 18055256 is 65255081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18055259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (2119425).

Almost surely, 2^18055256 is an apocalyptic number.

It is an amenable number.

18055256 is a deficient number, since it is larger than the sum of its proper divisors (15855544).

18055256 is a wasteful number, since it uses less digits than its factorization.

18055256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3814 counting only the distinct ones).

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

The square root of 18055256 is about 4249.1476792411. The cubic root of 18055256 is about 262.3420352705.

The spelling of 18055256 in words is "eighteen million, fifty-five thousand, two hundred fifty-six".