18055524 has 12 divisors (see below), whose sum is σ = 42129584. Its totient is φ = 6018504.

The previous prime is 18055517. The next prime is 18055553. The reversal of 18055524 is 42555081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18055491 and 18055500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752302 + ... + 752325.

Almost surely, 2^18055524 is an apocalyptic number.

It is an amenable number.

18055524 is an abundant number, since it is smaller than the sum of its proper divisors (24074060).

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

18055524 is a wasteful number, since it uses less digits than its factorization.

18055524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504634 (or 1504632 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 18055524 is about 4249.1792148602. The cubic root of 18055524 is about 262.3433332733.

The spelling of 18055524 in words is "eighteen million, fifty-five thousand, five hundred twenty-four".