18553482 has 16 divisors (see below), whose sum is σ = 41230080. Its totient is φ = 6184476.

The previous prime is 18553459. The next prime is 18553489. The reversal of 18553482 is 28435581.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18553489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171738 + ... + 171845.

It is an arithmetic number, because the mean of its divisors is an integer number (2576880).

Almost surely, 2^18553482 is an apocalyptic number.

18553482 is an abundant number, since it is smaller than the sum of its proper divisors (22676598).

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

18553482 is a wasteful number, since it uses less digits than its factorization.

18553482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343594 (or 343588 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 18553482 is about 4307.3753028962. The cubic root of 18553482 is about 264.7332405188.

The spelling of 18553482 in words is "eighteen million, five hundred fifty-three thousand, four hundred eighty-two".