5581485528 has 16 divisors (see below), whose sum is σ = 13953713880. Its totient is φ = 1860495168.

The previous prime is 5581485521. The next prime is 5581485563. The reversal of 5581485528 is 8255841855.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581485521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116280925 + ... + 116280972.

Almost surely, 2^5581485528 is an apocalyptic number.

It is an amenable number.

5581485528 is an abundant number, since it is smaller than the sum of its proper divisors (8372228352).

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

5581485528 is a wasteful number, since it uses less digits than its factorization.

5581485528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232561906 (or 232561902 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 51.

The square root of 5581485528 is about 74709.3402995904. The cubic root of 5581485528 is about 1773.8488101708.

The spelling of 5581485528 in words is "five billion, five hundred eighty-one million, four hundred eighty-five thousand, five hundred twenty-eight".