56656225783089 has 63 divisors (see below), whose sum is σ = 85565142192859. Its totient is φ = 37497269755440.

The previous prime is 56656225782929. The next prime is 56656225783127. The reversal of 56656225783089 is 98038752265665.

The square root of 56656225783089 is 7527033.

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

56656225783089 is a `hidden beast` number, since 5 + 6 + 6 + 5 + 62 + 257 + 8 + 308 + 9 = 666.

56656225783089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6637666918689 + 50018558864400 = 2576367^2 + 7072380^2 .

It is not a de Polignac number, because 56656225783089 - 2¹⁵ = 56656225750321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56656225783489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 30281252824 + ... + 30281254694.

Almost surely, 2^{56656225783089} is an apocalyptic number.

56656225783089 is the 7527033-rd square number.

56656225783089 is the 3763517-th centered octagonal number.

It is an amenable number.

56656225783089 is a deficient number, since it is larger than the sum of its proper divisors (28908916409770).

56656225783089 is an frugal number, since it uses more digits than its factorization.

56656225783089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 1306368000, while the sum is 72.

The spelling of 56656225783089 in words is "fifty-six trillion, six hundred fifty-six billion, two hundred twenty-five million, seven hundred eighty-three thousand, eighty-nine".