5581488894 has 16 divisors (see below), whose sum is σ = 11215885440. Its totient is φ = 1851678360.

The previous prime is 5581488839. The next prime is 5581488919. The reversal of 5581488894 is 4988841855.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2203114 + ... + 2205645.

It is an arithmetic number, because the mean of its divisors is an integer number (700992840).

Almost surely, 2^5581488894 is an apocalyptic number.

5581488894 is an abundant number, since it is smaller than the sum of its proper divisors (5634396546).

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

5581488894 is a wasteful number, since it uses less digits than its factorization.

5581488894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408975.

The product of its digits is 14745600, while the sum is 60.

The square root of 5581488894 is about 74709.3628268907. The cubic root of 5581488894 is about 1773.8491667529.

The spelling of 5581488894 in words is "five billion, five hundred eighty-one million, four hundred eighty-eight thousand, eight hundred ninety-four".