56680511573 has 16 divisors (see below), whose sum is σ = 65036824320. Its totient is φ = 48389273856.

The previous prime is 56680511527. The next prime is 56680511611. The reversal of 56680511573 is 37511508665.

It is not a de Polignac number, because 56680511573 - 2¹⁴ = 56680495189 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56680511273) 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, 2377808 + ... + 2401526.

It is an arithmetic number, because the mean of its divisors is an integer number (4064801520).

Almost surely, 2^56680511573 is an apocalyptic number.

It is an amenable number.

56680511573 is a deficient number, since it is larger than the sum of its proper divisors (8356312747).

56680511573 is a wasteful number, since it uses less digits than its factorization.

56680511573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25076.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 56680511573 in words is "fifty-six billion, six hundred eighty million, five hundred eleven thousand, five hundred seventy-three".