5565593440801 has 3 divisors (see below), whose sum is σ = 5565595799953. Its totient is φ = 5565591081650.

The previous prime is 5565593440789. The next prime is 5565593440877. The reversal of 5565593440801 is 1080443955655.

The square root of 5565593440801 is 2359151.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5565593440801 - 2⁹ = 5565593440289 is a prime.

It is a super-2 number, since 2×5565593440801² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5565593440301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1179576 + ... + 3538726.

Almost surely, 2^{5565593440801} is an apocalyptic number.

5565593440801 is the 2359151-st square number.

5565593440801 is the 1179576-th centered octagonal number.

It is an amenable number.

5565593440801 is a deficient number, since it is larger than the sum of its proper divisors (2359152).

5565593440801 is an frugal number, since it uses more digits than its factorization.

5565593440801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718302 (or 2359151 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 55.

The spelling of 5565593440801 in words is "five trillion, five hundred sixty-five billion, five hundred ninety-three million, four hundred forty thousand, eight hundred one".