56471546177 has 2 divisors, whose sum is σ = 56471546178. Its totient is φ = 56471546176.

The previous prime is 56471546167. The next prime is 56471546207. The reversal of 56471546177 is 77164517465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54568492801 + 1903053376 = 233599^2 + 43624^2 .

It is a cyclic number.

It is not a de Polignac number, because 56471546177 - 2¹² = 56471542081 is a prime.

It is not a weakly prime, because it can be changed into another prime (56471546107) 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 as a sum of consecutive naturals, namely, 28235773088 + 28235773089.

It is an arithmetic number, because the mean of its divisors is an integer number (28235773089).

Almost surely, 2^56471546177 is an apocalyptic number.

It is an amenable number.

56471546177 is a deficient number, since it is larger than the sum of its proper divisors (1).

56471546177 is an equidigital number, since it uses as much as digits as its factorization.

56471546177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 53.

The spelling of 56471546177 in words is "fifty-six billion, four hundred seventy-one million, five hundred forty-six thousand, one hundred seventy-seven".