56814673445 has 8 divisors (see below), whose sum is σ = 68179264920. Its totient is φ = 45450634240.

The previous prime is 56814673403. The next prime is 56814673541. The reversal of 56814673445 is 54437641865.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23681208769 + 33133464676 = 153887^2 + 182026^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56814673445 - 2¹⁸ = 56814411301 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 138701 + ... + 364509.

It is an arithmetic number, because the mean of its divisors is an integer number (8522408115).

Almost surely, 2^56814673445 is an apocalyptic number.

It is an amenable number.

56814673445 is a deficient number, since it is larger than the sum of its proper divisors (11364591475).

56814673445 is a wasteful number, since it uses less digits than its factorization.

56814673445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276135.

The product of its digits is 9676800, while the sum is 53.

The spelling of 56814673445 in words is "fifty-six billion, eight hundred fourteen million, six hundred seventy-three thousand, four hundred forty-five".