56478208231888 has 20 divisors (see below), whose sum is σ = 110081777127840. Its totient is φ = 28070007682784.

The previous prime is 56478208231849. The next prime is 56478208231957. The reversal of 56478208231888 is 88813280287465.

It is a happy number.

56478208231888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10568524318 + ... + 10568529661.

It is an arithmetic number, because the mean of its divisors is an integer number (5504088856392).

Almost surely, 2^{56478208231888} is an apocalyptic number.

It is an amenable number.

56478208231888 is a deficient number, since it is larger than the sum of its proper divisors (53603568895952).

56478208231888 is a wasteful number, since it uses less digits than its factorization.

56478208231888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21137054154 (or 21137054148 counting only the distinct ones).

The product of its (nonzero) digits is 330301440, while the sum is 70.

The spelling of 56478208231888 in words is "fifty-six trillion, four hundred seventy-eight billion, two hundred eight million, two hundred thirty-one thousand, eight hundred eighty-eight".