56611305773 has 16 divisors (see below), whose sum is σ = 63417399360. Its totient is φ = 50099212800.

The previous prime is 56611305769. The next prime is 56611305799. The reversal of 56611305773 is 37750311665.

It is a cyclic number.

It is not a de Polignac number, because 56611305773 - 2² = 56611305769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56611305703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369803 + ... + 499976.

It is an arithmetic number, because the mean of its divisors is an integer number (3963587460).

Almost surely, 2^56611305773 is an apocalyptic number.

It is an amenable number.

56611305773 is a deficient number, since it is larger than the sum of its proper divisors (6806093587).

56611305773 is a wasteful number, since it uses less digits than its factorization.

56611305773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869948.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 56611305773 in words is "fifty-six billion, six hundred eleven million, three hundred five thousand, seven hundred seventy-three".