56758385766 has 16 divisors (see below), whose sum is σ = 114150945600. Its totient is φ = 18813766248.

The previous prime is 56758385753. The next prime is 56758385773. The reversal of 56758385766 is 66758385765.

It is a junction number, because it is equal to n+sod(n) for n = 56758385697 and 56758385706.

It is a congruent number.

It is an unprimeable number.

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, 26422756 + ... + 26424903.

It is an arithmetic number, because the mean of its divisors is an integer number (7134434100).

Almost surely, 2^56758385766 is an apocalyptic number.

56758385766 is an abundant number, since it is smaller than the sum of its proper divisors (57392559834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56758385766 is a wasteful number, since it uses less digits than its factorization.

56758385766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52847843.

The product of its digits is 254016000, while the sum is 66.

Subtracting 56758385766 from its reverse (66758385765), we obtain a palindrome (9999999999).

The spelling of 56758385766 in words is "fifty-six billion, seven hundred fifty-eight million, three hundred eighty-five thousand, seven hundred sixty-six".