56814454818 has 96 divisors (see below), whose sum is σ = 143447308992. Its totient is φ = 16060262400.

The previous prime is 56814454817. The next prime is 56814454843. The reversal of 56814454818 is 81845441865.

56814454818 is a `hidden beast` number, since 5 + 6 + 81 + 4 + 4 + 548 + 18 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56814454817) 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 47 ways as a sum of consecutive naturals, for example, 305673 + ... + 455043.

It is an arithmetic number, because the mean of its divisors is an integer number (1494242802).

Almost surely, 2^56814454818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56814454818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71723654496).

56814454818 is an abundant number, since it is smaller than the sum of its proper divisors (86632854174).

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

56814454818 is a wasteful number, since it uses less digits than its factorization.

56814454818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149520 (or 149517 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 54.

The spelling of 56814454818 in words is "fifty-six billion, eight hundred fourteen million, four hundred fifty-four thousand, eight hundred eighteen".