56009329320064 has 64 divisors (see below), whose sum is σ = 118153164893400. Its totient is φ = 26355438305280.

The previous prime is 56009329320017. The next prime is 56009329320071. The reversal of 56009329320064 is 46002392390065.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42063526209600 + 13945803110464 = 6485640^2 + 3734408^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29609734 + ... + 31444474.

Almost surely, 2^{56009329320064} is an apocalyptic number.

It is an amenable number.

56009329320064 is an abundant number, since it is smaller than the sum of its proper divisors (62143835573336).

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

56009329320064 is a wasteful number, since it uses less digits than its factorization.

56009329320064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848801 (or 1848789 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 49.

The spelling of 56009329320064 in words is "fifty-six trillion, nine billion, three hundred twenty-nine million, three hundred twenty thousand, sixty-four".