56641006633 has 4 divisors (see below), whose sum is σ = 56641484628. Its totient is φ = 56640528640.

The previous prime is 56641006601. The next prime is 56641006637. The reversal of 56641006633 is 33660014665.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36302824089 + 20338182544 = 190533^2 + 142612^2 .

It is a cyclic number.

It is not a de Polignac number, because 56641006633 - 2⁵ = 56641006601 is a prime.

It is a Smith number, since the sum of its digits (40) 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 not an unprimeable number, because it can be changed into a prime (56641006637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86685 + ... + 347557.

It is an arithmetic number, because the mean of its divisors is an integer number (14160371157).

Almost surely, 2^56641006633 is an apocalyptic number.

It is an amenable number.

56641006633 is a deficient number, since it is larger than the sum of its proper divisors (477995).

56641006633 is a wasteful number, since it uses less digits than its factorization.

56641006633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477994.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 56641006633 in words is "fifty-six billion, six hundred forty-one million, six thousand, six hundred thirty-three".