56009366773 has 4 divisors (see below), whose sum is σ = 56063693088. Its totient is φ = 55955040460.

The previous prime is 56009366747. The next prime is 56009366779. The reversal of 56009366773 is 37766390065.

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 56009366773 - 2⁵ = 56009366741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56009366773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56009366779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27161611 + ... + 27163672.

It is an arithmetic number, because the mean of its divisors is an integer number (14015923272).

Almost surely, 2^56009366773 is an apocalyptic number.

It is an amenable number.

56009366773 is a deficient number, since it is larger than the sum of its proper divisors (54326315).

56009366773 is a wasteful number, since it uses less digits than its factorization.

56009366773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54326314.

The product of its (nonzero) digits is 4286520, while the sum is 52.

The spelling of 56009366773 in words is "fifty-six billion, nine million, three hundred sixty-six thousand, seven hundred seventy-three".