56558960767 has 8 divisors (see below), whose sum is σ = 57952632320. Its totient is φ = 55168850520.

The previous prime is 56558960761. The next prime is 56558960779. The reversal of 56558960767 is 76706985565.

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 56558960767 - 2¹⁹ = 56558436479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56558960699 and 56558960708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56558960761) 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, 858159 + ... + 921712.

It is an arithmetic number, because the mean of its divisors is an integer number (7244079040).

Almost surely, 2^56558960767 is an apocalyptic number.

56558960767 is a deficient number, since it is larger than the sum of its proper divisors (1393671553).

56558960767 is a wasteful number, since it uses less digits than its factorization.

56558960767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780653.

The product of its (nonzero) digits is 95256000, while the sum is 64.

The spelling of 56558960767 in words is "fifty-six billion, five hundred fifty-eight million, nine hundred sixty thousand, seven hundred sixty-seven".