2055606647 has 2 divisors, whose sum is σ = 2055606648. Its totient is φ = 2055606646.

The previous prime is 2055606613. The next prime is 2055606667. The reversal of 2055606647 is 7466065502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2055606647 - 2¹⁰ = 2055605623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055606667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027803323 + 1027803324.

It is an arithmetic number, because the mean of its divisors is an integer number (1027803324).

Almost surely, 2^2055606647 is an apocalyptic number.

2055606647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055606647 is an equidigital number, since it uses as much as digits as its factorization.

2055606647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 2055606647 is about 45338.7984732723. The cubic root of 2055606647 is about 1271.4911385644.

The spelling of 2055606647 in words is "two billion, fifty-five million, six hundred six thousand, six hundred forty-seven".