5581500648 has 128 divisors (see below), whose sum is σ = 15286272000. Its totient is φ = 1691746560.

The previous prime is 5581500647. The next prime is 5581500677. The reversal of 5581500648 is 8460051855.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5581500641) by changing a digit.

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, 1793718 + ... + 1796826.

It is an arithmetic number, because the mean of its divisors is an integer number (119424000).

Almost surely, 2^5581500648 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 5581500648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7643136000).

5581500648 is an abundant number, since it is smaller than the sum of its proper divisors (9704771352).

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

5581500648 is a wasteful number, since it uses less digits than its factorization.

5581500648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 5581500648 is about 74709.4414916883. The cubic root of 5581500648 is about 1773.8504119289.

The spelling of 5581500648 in words is "five billion, five hundred eighty-one million, five hundred thousand, six hundred forty-eight".