56005586087 has 4 divisors (see below), whose sum is σ = 61097003016. Its totient is φ = 50914169160.

The previous prime is 56005586069. The next prime is 56005586111. The reversal of 56005586087 is 78068550065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56005586087 - 2¹⁴ = 56005569703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005586047) by changing a digit.

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, 2545708448 + ... + 2545708469.

It is an arithmetic number, because the mean of its divisors is an integer number (15274250754).

Almost surely, 2^56005586087 is an apocalyptic number.

56005586087 is a deficient number, since it is larger than the sum of its proper divisors (5091416929).

56005586087 is a wasteful number, since it uses less digits than its factorization.

56005586087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091416928.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 56005586087 in words is "fifty-six billion, five million, five hundred eighty-six thousand, eighty-seven".