18053496 has 128 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 5526144.

The previous prime is 18053461. The next prime is 18053509. The reversal of 18053496 is 69435081.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18053496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217471 + ... + 217553.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^18053496 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 18053496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27216000).

18053496 is an abundant number, since it is smaller than the sum of its proper divisors (36378504).

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

18053496 is a wasteful number, since it uses less digits than its factorization.

18053496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 18053496 is about 4248.9405738372. The cubic root of 18053496 is about 262.3335107539. Note that the first 3 decimals are identical.

The spelling of 18053496 in words is "eighteen million, fifty-three thousand, four hundred ninety-six".