56056656655513 has 8 divisors (see below), whose sum is σ = 56292123081600. Its totient is φ = 55821197894448.

The previous prime is 56056656655511. The next prime is 56056656655541. The reversal of 56056656655513 is 31555665665065.

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 56056656655513 - 2¹ = 56056656655511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56056656655511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12983878 + ... + 16753936.

It is an arithmetic number, because the mean of its divisors is an integer number (7036515385200).

Almost surely, 2^{56056656655513} is an apocalyptic number.

It is an amenable number.

56056656655513 is a deficient number, since it is larger than the sum of its proper divisors (235466426087).

56056656655513 is a wasteful number, since it uses less digits than its factorization.

56056656655513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832511.

The product of its (nonzero) digits is 364500000, while the sum is 64.

The spelling of 56056656655513 in words is "fifty-six trillion, fifty-six billion, six hundred fifty-six million, six hundred fifty-five thousand, five hundred thirteen".