56809139274048 has 224 divisors, whose sum is σ = 187751974699008. Its totient is φ = 14783619686400.

The previous prime is 56809139273977. The next prime is 56809139274061. The reversal of 56809139274048 is 84047293190865.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 56809139274048.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 39394848 + ... + 40811423.

It is a 2-persistent number, because it is pandigital, and so is 2⋅56809139274048 = 113618278548096, but 3⋅56809139274048 = 170427417822144 is not.

Almost surely, 2^{56809139274048} is an apocalyptic number.

It is an amenable number.

56809139274048 is an abundant number, since it is smaller than the sum of its proper divisors (130942835424960).

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

56809139274048 is a wasteful number, since it uses less digits than its factorization.

56809139274048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80206341 (or 80206331 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 56809139274048 in words is "fifty-six trillion, eight hundred nine billion, one hundred thirty-nine million, two hundred seventy-four thousand, forty-eight".