2555555671 has 2 divisors, whose sum is σ = 2555555672. Its totient is φ = 2555555670.

The previous prime is 2555555663. The next prime is 2555555713. The reversal of 2555555671 is 1765555552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555555671 - 2³ = 2555555663 is a prime.

It is a super-3 number, since 3×2555555671³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555555621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277777835 + 1277777836.

It is an arithmetic number, because the mean of its divisors is an integer number (1277777836).

Almost surely, 2^2555555671 is an apocalyptic number.

2555555671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555555671 is an equidigital number, since it uses as much as digits as its factorization.

2555555671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1312500, while the sum is 46.

The square root of 2555555671 is about 50552.5041021708. The cubic root of 2555555671 is about 1367.1886638212.

The spelling of 2555555671 in words is "two billion, five hundred fifty-five million, five hundred fifty-five thousand, six hundred seventy-one".