56655523859 has 8 divisors (see below), whose sum is σ = 62550677952. Its totient is φ = 50884478440.

The previous prime is 56655523823. The next prime is 56655523877. The reversal of 56655523859 is 95832555665.

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

It is a cyclic number.

It is not a de Polignac number, because 56655523859 - 2²⁸ = 56387088403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56655523798 and 56655523807.

It is not an unprimeable number, because it can be changed into a prime (56655523879) 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 7 ways as a sum of consecutive naturals, for example, 31026209 + ... + 31028034.

It is an arithmetic number, because the mean of its divisors is an integer number (7818834744).

Almost surely, 2^56655523859 is an apocalyptic number.

56655523859 is a deficient number, since it is larger than the sum of its proper divisors (5895154093).

56655523859 is a wasteful number, since it uses less digits than its factorization.

56655523859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62054337.

The product of its digits is 48600000, while the sum is 59.

The spelling of 56655523859 in words is "fifty-six billion, six hundred fifty-five million, five hundred twenty-three thousand, eight hundred fifty-nine".