5597208721 has 8 divisors (see below), whose sum is σ = 6028838144. Its totient is φ = 5165732880.

The previous prime is 5597208703. The next prime is 5597208731. The reversal of 5597208721 is 1278027955.

It is a happy number.

5597208721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5597208721 - 2¹³ = 5597200529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5597208731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43840 + ... + 114526.

It is an arithmetic number, because the mean of its divisors is an integer number (753604768).

Almost surely, 2^5597208721 is an apocalyptic number.

It is an amenable number.

5597208721 is a deficient number, since it is larger than the sum of its proper divisors (431629423).

5597208721 is a wasteful number, since it uses less digits than its factorization.

5597208721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76791.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 5597208721 is about 74814.4953936067. The cubic root of 5597208721 is about 1775.5129082845.

The spelling of 5597208721 in words is "five billion, five hundred ninety-seven million, two hundred eight thousand, seven hundred twenty-one".