5581493500 has 48 divisors (see below), whose sum is σ = 13298175072. Its totient is φ = 2029632000.

The previous prime is 5581493453. The next prime is 5581493501. The reversal of 5581493500 is 53941855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581493501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501909 + ... + 512908.

It is an arithmetic number, because the mean of its divisors is an integer number (277045314).

Almost surely, 2^5581493500 is an apocalyptic number.

5581493500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5581493500 is an abundant number, since it is smaller than the sum of its proper divisors (7716681572).

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

5581493500 is a wasteful number, since it uses less digits than its factorization.

5581493500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014847 (or 1014835 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 5581493500 is about 74709.3936530073. The cubic root of 5581493500 is about 1773.8496546960.

The spelling of 5581493500 in words is "five billion, five hundred eighty-one million, four hundred ninety-three thousand, five hundred".