56628482665 has 4 divisors (see below), whose sum is σ = 67954179204. Its totient is φ = 45302786128.

The previous prime is 56628482663. The next prime is 56628482681.

56628482665 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25825775616 + 30802707049 = 160704^2 + 175507^2 .

It is a cyclic number.

It is not a de Polignac number, because 56628482665 - 2¹ = 56628482663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56628482663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662848262 + ... + 5662848271.

It is an arithmetic number, because the mean of its divisors is an integer number (16988544801).

Almost surely, 2^56628482665 is an apocalyptic number.

It is an amenable number.

56628482665 is a deficient number, since it is larger than the sum of its proper divisors (11325696539).

56628482665 is a wasteful number, since it uses less digits than its factorization.

56628482665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325696538.

The product of its digits is 33177600, while the sum is 58.

The spelling of 56628482665 in words is "fifty-six billion, six hundred twenty-eight million, four hundred eighty-two thousand, six hundred sixty-five".