56648233559 has 4 divisors (see below), whose sum is σ = 56659561416. Its totient is φ = 56636905704.

The previous prime is 56648233547. The next prime is 56648233591. The reversal of 56648233559 is 95533284665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56648233559 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 (56648233529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5656424 + ... + 5666429.

It is an arithmetic number, because the mean of its divisors is an integer number (14164890354).

Almost surely, 2^56648233559 is an apocalyptic number.

56648233559 is a deficient number, since it is larger than the sum of its proper divisors (11327857).

56648233559 is a wasteful number, since it uses less digits than its factorization.

56648233559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327856.

The product of its digits is 23328000, while the sum is 56.

The spelling of 56648233559 in words is "fifty-six billion, six hundred forty-eight million, two hundred thirty-three thousand, five hundred fifty-nine".