8555504000 has 256 divisors, whose sum is σ = 22485565440. Its totient is φ = 3232512000.

The previous prime is 8555503993. The next prime is 8555504033. The reversal of 8555504000 is 4055558.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23311817 + ... + 23312183.

It is an arithmetic number, because the mean of its divisors is an integer number (87834240).

Almost surely, 2^8555504000 is an apocalyptic number.

8555504000 is a gapful number since it is divisible by the number (80) 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 8555504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11242782720).

8555504000 is an abundant number, since it is smaller than the sum of its proper divisors (13930061440).

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

8555504000 is a wasteful number, since it uses less digits than its factorization.

8555504000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 8555504000 is about 92495.9674796691. The cubic root of 8555504000 is about 2045.2600383095.

Adding to 8555504000 its reverse (4055558), we get a palindrome (8559559558).

The spelling of 8555504000 in words is "eight billion, five hundred fifty-five million, five hundred four thousand".