56817453708 has 18 divisors (see below), whose sum is σ = 143621896964. Its totient is φ = 18939151224.

The previous prime is 56817453701. The next prime is 56817453713. The reversal of 56817453708 is 80735471865.

It is a happy number.

56817453708 is a `hidden beast` number, since 568 + 1 + 7 + 4 + 5 + 3 + 70 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (56817453701) 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 5 ways as a sum of consecutive naturals, for example, 789131266 + ... + 789131337.

Almost surely, 2^56817453708 is an apocalyptic number.

It is an amenable number.

56817453708 is an abundant number, since it is smaller than the sum of its proper divisors (86804443256).

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

56817453708 is a wasteful number, since it uses less digits than its factorization.

56817453708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578262613 (or 1578262608 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 56817453708 in words is "fifty-six billion, eight hundred seventeen million, four hundred fifty-three thousand, seven hundred eight".