18055048 has 16 divisors (see below), whose sum is σ = 36930960. Its totient is φ = 8206800.

The previous prime is 18055043. The next prime is 18055049. The reversal of 18055048 is 84055081.

It is not an unprimeable number, because it can be changed into a prime (18055043) by changing a digit.

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, 102498 + ... + 102673.

It is an arithmetic number, because the mean of its divisors is an integer number (2308185).

Almost surely, 2^18055048 is an apocalyptic number.

It is an amenable number.

18055048 is an abundant number, since it is smaller than the sum of its proper divisors (18875912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18055048 is a wasteful number, since it uses less digits than its factorization.

18055048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205188 (or 205184 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 18055048 is about 4249.1232036739. The cubic root of 18055048 is about 262.3410278565.

The spelling of 18055048 in words is "eighteen million, fifty-five thousand, forty-eight".