18055752 has 64 divisors (see below), whose sum is σ = 53040960. Its totient is φ = 5049600.

The previous prime is 18055721. The next prime is 18055753. The reversal of 18055752 is 25755081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (18055753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (828765).

Almost surely, 2^18055752 is an apocalyptic number.

18055752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18055752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26520480).

18055752 is an abundant number, since it is smaller than the sum of its proper divisors (34985208).

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

18055752 is a wasteful number, since it uses less digits than its factorization.

18055752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294 (or 5290 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 18055752 is about 4249.2060434862. The cubic root of 18055752 is about 262.3444375342.

It can be divided in two parts, 1805 and 5752, that added together give a palindrome (7557).

The spelling of 18055752 in words is "eighteen million, fifty-five thousand, seven hundred fifty-two".