56563044437 has 4 divisors (see below), whose sum is σ = 56583489216. Its totient is φ = 56542599660.

The previous prime is 56563044407. The next prime is 56563044449. The reversal of 56563044437 is 73444036565.

56563044437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56563044437 - 2¹⁰ = 56563043413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56563044391 and 56563044400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563044407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10218239 + ... + 10223772.

It is an arithmetic number, because the mean of its divisors is an integer number (14145872304).

Almost surely, 2^56563044437 is an apocalyptic number.

It is an amenable number.

56563044437 is a deficient number, since it is larger than the sum of its proper divisors (20444779).

56563044437 is a wasteful number, since it uses less digits than its factorization.

56563044437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444778.

The product of its (nonzero) digits is 3628800, while the sum is 47.

The spelling of 56563044437 in words is "fifty-six billion, five hundred sixty-three million, forty-four thousand, four hundred thirty-seven".