18053056 has 56 divisors (see below), whose sum is σ = 41696640. Its totient is φ = 7594752.

The previous prime is 18053053. The next prime is 18053089. The reversal of 18053056 is 65035081.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18053053) 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, 26091 + ... + 26773.

Almost surely, 2^18053056 is an apocalyptic number.

18053056 is a gapful number since it is divisible by the number (16) 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 18053056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20848320).

18053056 is an abundant number, since it is smaller than the sum of its proper divisors (23643584).

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

18053056 is an equidigital number, since it uses as much as digits as its factorization.

18053056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 18053056 is about 4248.8887959089. Note that the first 3 decimals coincide. The cubic root of 18053056 is about 262.3313795382.

The spelling of 18053056 in words is "eighteen million, fifty-three thousand, fifty-six".