56842224865 has 4 divisors (see below), whose sum is σ = 68210669844. Its totient is φ = 45473779888.

The previous prime is 56842224853. The next prime is 56842224871.

56842224865 is nontrivially palindromic in base 10.

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 44051293456 + 12790931409 = 209884^2 + 113097^2 .

It is a cyclic number.

It is not a de Polignac number, because 56842224865 - 2⁹ = 56842224353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5684222482 + ... + 5684222491.

It is an arithmetic number, because the mean of its divisors is an integer number (17052667461).

Almost surely, 2^56842224865 is an apocalyptic number.

It is an amenable number.

56842224865 is a deficient number, since it is larger than the sum of its proper divisors (11368444979).

56842224865 is a wasteful number, since it uses less digits than its factorization.

56842224865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11368444978.

The product of its digits is 7372800, while the sum is 52.

The spelling of 56842224865 in words is "fifty-six billion, eight hundred forty-two million, two hundred twenty-four thousand, eight hundred sixty-five".