56213441785 has 4 divisors (see below), whose sum is σ = 67456130148. Its totient is φ = 44970753424.

The previous prime is 56213441777. The next prime is 56213441849. The reversal of 56213441785 is 58714431265.

56213441785 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.

It can be written as a sum of positive squares in 2 ways, for example, as 39873699856 + 16339741929 = 199684^2 + 127827^2 .

It is a cyclic number.

It is not a de Polignac number, because 56213441785 - 2³ = 56213441777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621344174 + ... + 5621344183.

It is an arithmetic number, because the mean of its divisors is an integer number (16864032537).

Almost surely, 2^56213441785 is an apocalyptic number.

It is an amenable number.

56213441785 is a deficient number, since it is larger than the sum of its proper divisors (11242688363).

56213441785 is a wasteful number, since it uses less digits than its factorization.

56213441785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11242688362.

The product of its digits is 806400, while the sum is 46.

The spelling of 56213441785 in words is "fifty-six billion, two hundred thirteen million, four hundred forty-one thousand, seven hundred eighty-five".