56116886772 has 24 divisors (see below), whose sum is σ = 130988720800. Its totient is φ = 18698583456.

The previous prime is 56116886741. The next prime is 56116886773. The reversal of 56116886772 is 27768861165.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56116886773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 847447 + ... + 911262.

Almost surely, 2^56116886772 is an apocalyptic number.

It is an amenable number.

56116886772 is an abundant number, since it is smaller than the sum of its proper divisors (74871834028).

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

56116886772 is a wasteful number, since it uses less digits than its factorization.

56116886772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761375 (or 1761373 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 57.

The spelling of 56116886772 in words is "fifty-six billion, one hundred sixteen million, eight hundred eighty-six thousand, seven hundred seventy-two".