56747732287730 has 16 divisors (see below), whose sum is σ = 111431910674304. Its totient is φ = 20635539013680.

The previous prime is 56747732287717. The next prime is 56747732287739. The reversal of 56747732287730 is 3778223774765.

56747732287730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56747732287739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257944237562 + ... + 257944237781.

It is an arithmetic number, because the mean of its divisors is an integer number (6964494417144).

Almost surely, 2^{56747732287730} is an apocalyptic number.

56747732287730 is a deficient number, since it is larger than the sum of its proper divisors (54684178386574).

56747732287730 is a wasteful number, since it uses less digits than its factorization.

56747732287730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515888475361.

The product of its (nonzero) digits is 580849920, while the sum is 68.

The spelling of 56747732287730 in words is "fifty-six trillion, seven hundred forty-seven billion, seven hundred thirty-two million, two hundred eighty-seven thousand, seven hundred thirty".