56842556729 has 8 divisors (see below), whose sum is σ = 66718676928. Its totient is φ = 47405375280.

The previous prime is 56842556711. The next prime is 56842556737. The reversal of 56842556729 is 92765524865.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56842556729 - 2¹² = 56842552633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56842556429) 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, 109734407 + ... + 109734924.

It is an arithmetic number, because the mean of its divisors is an integer number (8339834616).

Almost surely, 2^56842556729 is an apocalyptic number.

It is an amenable number.

56842556729 is a deficient number, since it is larger than the sum of its proper divisors (9876120199).

56842556729 is a wasteful number, since it uses less digits than its factorization.

56842556729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219469375.

The product of its digits is 36288000, while the sum is 59.

The spelling of 56842556729 in words is "fifty-six billion, eight hundred forty-two million, five hundred fifty-six thousand, seven hundred twenty-nine".