18059552 has 48 divisors (see below), whose sum is σ = 41751360. Its totient is φ = 7527168.

The previous prime is 18059551. The next prime is 18059579. The reversal of 18059552 is 25595081.

It is a super-2 number, since 2×18059552² = 652294836881408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18059551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7199 + ... + 9377.

It is an arithmetic number, because the mean of its divisors is an integer number (869820).

Almost surely, 2^18059552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18059552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20875680).

18059552 is an abundant number, since it is smaller than the sum of its proper divisors (23691808).

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

18059552 is a wasteful number, since it uses less digits than its factorization.

18059552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 18059552 is about 4249.6531623181. The cubic root of 18059552 is about 262.3628405143.

The spelling of 18059552 in words is "eighteen million, fifty-nine thousand, five hundred fifty-two".