5581508000 has 192 divisors, whose sum is σ = 14718412800. Its totient is φ = 2072678400.

The previous prime is 5581507993. The next prime is 5581508027. The reversal of 5581508000 is 8051855.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5371481 + ... + 5372519.

It is an arithmetic number, because the mean of its divisors is an integer number (76658400).

Almost surely, 2^5581508000 is an apocalyptic number.

5581508000 is a gapful number since it is divisible by the number (50) 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 5581508000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7359206400).

5581508000 is an abundant number, since it is smaller than the sum of its proper divisors (9136904800).

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

5581508000 is a wasteful number, since it uses less digits than its factorization.

5581508000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 5581508000 is about 74709.4906956272. The cubic root of 5581508000 is about 1773.8511907722.

Adding to 5581508000 its reverse (8051855), we get a palindrome (5589559855).

The spelling of 5581508000 in words is "five billion, five hundred eighty-one million, five hundred eight thousand".