5565596321 has 16 divisors (see below), whose sum is σ = 5732812800. Its totient is φ = 5400604608.

The previous prime is 5565596287. The next prime is 5565596329. The reversal of 5565596321 is 1236955655.

It is a cyclic number.

It is not a de Polignac number, because 5565596321 - 2¹⁴ = 5565579937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5565596329) 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, 3894035 + ... + 3895463.

It is an arithmetic number, because the mean of its divisors is an integer number (358300800).

Almost surely, 2^5565596321 is an apocalyptic number.

It is an amenable number.

5565596321 is a deficient number, since it is larger than the sum of its proper divisors (167216479).

5565596321 is a wasteful number, since it uses less digits than its factorization.

5565596321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its digits is 1215000, while the sum is 47.

The square root of 5565596321 is about 74602.9243461676. The cubic root of 5565596321 is about 1772.1639636890.

The spelling of 5565596321 in words is "five billion, five hundred sixty-five million, five hundred ninety-six thousand, three hundred twenty-one".