56257730716 has 24 divisors (see below), whose sum is σ = 112070738304. Its totient is φ = 24459882480.

The previous prime is 56257730707. The next prime is 56257730719. The reversal of 56257730716 is 61703775265.

It is a self number, because there is not a number n which added to its sum of digits gives 56257730716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56257730719) by changing a digit.

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, 27794310 + ... + 27796333.

It is an arithmetic number, because the mean of its divisors is an integer number (4669614096).

Almost surely, 2^56257730716 is an apocalyptic number.

It is an amenable number.

56257730716 is a deficient number, since it is larger than the sum of its proper divisors (55813007588).

56257730716 is a wasteful number, since it uses less digits than its factorization.

56257730716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55590681 (or 55590679 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 56257730716 in words is "fifty-six billion, two hundred fifty-seven million, seven hundred thirty thousand, seven hundred sixteen".