18053544 has 32 divisors (see below), whose sum is σ = 46692000. Its totient is φ = 5810112.

The previous prime is 18053533. The next prime is 18053599. The reversal of 18053544 is 44535081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12274 + ... + 13665.

It is an arithmetic number, because the mean of its divisors is an integer number (1459125).

Almost surely, 2^18053544 is an apocalyptic number.

It is an amenable number.

18053544 is an abundant number, since it is smaller than the sum of its proper divisors (28638456).

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

18053544 is a wasteful number, since it uses less digits than its factorization.

18053544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25977 (or 25973 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 18053544 is about 4248.9462223003. The cubic root of 18053544 is about 262.3337432481. Note that the first 3 decimals are identical.

The spelling of 18053544 in words is "eighteen million, fifty-three thousand, five hundred forty-four".