5581528797 has 16 divisors (see below), whose sum is σ = 8150345280. Its totient is φ = 3376568832.

The previous prime is 5581528793. The next prime is 5581528861. The reversal of 5581528797 is 7978251855.

It is not a de Polignac number, because 5581528797 - 2² = 5581528793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581528793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210548 + ... + 1215149.

It is an arithmetic number, because the mean of its divisors is an integer number (509396580).

Almost surely, 2^5581528797 is an apocalyptic number.

It is an amenable number.

5581528797 is a deficient number, since it is larger than the sum of its proper divisors (2568816483).

5581528797 is a wasteful number, since it uses less digits than its factorization.

5581528797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425772.

The product of its digits is 7056000, while the sum is 57.

The square root of 5581528797 is about 74709.6298812944. The cubic root of 5581528797 is about 1773.8533939246.

The spelling of 5581528797 in words is "five billion, five hundred eighty-one million, five hundred twenty-eight thousand, seven hundred ninety-seven".