56305885782 has 32 divisors (see below), whose sum is σ = 113648895360. Its totient is φ = 18596223360.

The previous prime is 56305885781. The next prime is 56305885829. The reversal of 56305885782 is 28758850365.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56305885781) 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 15 ways as a sum of consecutive naturals, for example, 449694 + ... + 561102.

It is an arithmetic number, because the mean of its divisors is an integer number (3551527980).

Almost surely, 2^56305885782 is an apocalyptic number.

56305885782 is an abundant number, since it is smaller than the sum of its proper divisors (57343009578).

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

56305885782 is a wasteful number, since it uses less digits than its factorization.

56305885782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112188.

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 56305885782 in words is "fifty-six billion, three hundred five million, eight hundred eighty-five thousand, seven hundred eighty-two".