5566572756655 has 4 divisors (see below), whose sum is σ = 6679887307992. Its totient is φ = 4453258205320.

The previous prime is 5566572756637. The next prime is 5566572756659.

5566572756655 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5566572756655 - 2⁵ = 5566572756623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566572756659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556657275661 + ... + 556657275670.

It is an arithmetic number, because the mean of its divisors is an integer number (1669971826998).

Almost surely, 2^{5566572756655} is an apocalyptic number.

5566572756655 is a deficient number, since it is larger than the sum of its proper divisors (1113314551337).

5566572756655 is a wasteful number, since it uses less digits than its factorization.

5566572756655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113314551336.

The product of its digits is 1984500000, while the sum is 70.

The spelling of 5566572756655 in words is "five trillion, five hundred sixty-six billion, five hundred seventy-two million, seven hundred fifty-six thousand, six hundred fifty-five".