56605663336 has 16 divisors (see below), whose sum is σ = 107479108800. Its totient is φ = 27944567664.

The previous prime is 56605663327. The next prime is 56605663363. The reversal of 56605663336 is 63336650665.

It is a super-2 number, since 2×56605663336² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56605663336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44782330 + ... + 44783593.

It is an arithmetic number, because the mean of its divisors is an integer number (6717444300).

Almost surely, 2^56605663336 is an apocalyptic number.

It is an amenable number.

56605663336 is a deficient number, since it is larger than the sum of its proper divisors (50873445464).

56605663336 is a wasteful number, since it uses less digits than its factorization.

56605663336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89566008 (or 89566004 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 49.

The spelling of 56605663336 in words is "fifty-six billion, six hundred five million, six hundred sixty-three thousand, three hundred thirty-six".