5655667571 has 2 divisors, whose sum is σ = 5655667572. Its totient is φ = 5655667570.

The previous prime is 5655667543. The next prime is 5655667573. The reversal of 5655667571 is 1757665565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5655667571 - 2¹⁴ = 5655651187 is a prime.

It is a super-2 number, since 2×5655667571² = 63973151347322080082, which contains 22 as substring.

Together with 5655667573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5655667573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827833785 + 2827833786.

It is an arithmetic number, because the mean of its divisors is an integer number (2827833786).

Almost surely, 2^5655667571 is an apocalyptic number.

5655667571 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655667571 is an equidigital number, since it uses as much as digits as its factorization.

5655667571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6615000, while the sum is 53.

The square root of 5655667571 is about 75204.1725637614. The cubic root of 5655667571 is about 1781.6728341330.

The spelling of 5655667571 in words is "five billion, six hundred fifty-five million, six hundred sixty-seven thousand, five hundred seventy-one".