56824666539 has 16 divisors (see below), whose sum is σ = 77558312832. Its totient is φ = 36987749568.

The previous prime is 56824666523. The next prime is 56824666543. The reversal of 56824666539 is 93566642865.

It is a happy number.

It is not a de Polignac number, because 56824666539 - 2⁴ = 56824666523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56824667539) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 253432 + ... + 421754.

It is an arithmetic number, because the mean of its divisors is an integer number (4847394552).

Almost surely, 2^56824666539 is an apocalyptic number.

56824666539 is a deficient number, since it is larger than the sum of its proper divisors (20733646293).

56824666539 is a wasteful number, since it uses less digits than its factorization.

56824666539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170986.

The product of its digits is 55987200, while the sum is 60.

The spelling of 56824666539 in words is "fifty-six billion, eight hundred twenty-four million, six hundred sixty-six thousand, five hundred thirty-nine".