56521805822 has 8 divisors (see below), whose sum is σ = 84788910216. Its totient is φ = 28258835752.

The previous prime is 56521805797. The next prime is 56521805869. The reversal of 56521805822 is 22850812565.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 999173 + ... + 1054224.

It is an arithmetic number, because the mean of its divisors is an integer number (10598613777).

Almost surely, 2^56521805822 is an apocalyptic number.

56521805822 is a deficient number, since it is larger than the sum of its proper divisors (28267104394).

56521805822 is a wasteful number, since it uses less digits than its factorization.

56521805822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067162.

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 56521805822 in words is "fifty-six billion, five hundred twenty-one million, eight hundred five thousand, eight hundred twenty-two".