5505656060561 has 4 divisors (see below), whose sum is σ = 5505674586624. Its totient is φ = 5505637534500.

The previous prime is 5505656060497. The next prime is 5505656060581. The reversal of 5505656060561 is 1650606565055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5505656060561 - 2⁶ = 5505656060497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5505656060581) 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 in 3 ways as a sum of consecutive naturals, for example, 8809865 + ... + 9414086.

It is an arithmetic number, because the mean of its divisors is an integer number (1376418646656).

Almost surely, 2^{5505656060561} is an apocalyptic number.

It is an amenable number.

5505656060561 is a deficient number, since it is larger than the sum of its proper divisors (18526063).

5505656060561 is a wasteful number, since it uses less digits than its factorization.

5505656060561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18526062.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 5505656060561 in words is "five trillion, five hundred five billion, six hundred fifty-six million, sixty thousand, five hundred sixty-one".