2555923771 has 2 divisors, whose sum is σ = 2555923772. Its totient is φ = 2555923770.

The previous prime is 2555923759. The next prime is 2555923789. The reversal of 2555923771 is 1773295552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555923771 - 2¹¹ = 2555921723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555923751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277961885 + 1277961886.

It is an arithmetic number, because the mean of its divisors is an integer number (1277961886).

Almost surely, 2^2555923771 is an apocalyptic number.

2555923771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555923771 is an equidigital number, since it uses as much as digits as its factorization.

2555923771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 46.

The square root of 2555923771 is about 50556.1447402786. The cubic root of 2555923771 is about 1367.2543035555.

The spelling of 2555923771 in words is "two billion, five hundred fifty-five million, nine hundred twenty-three thousand, seven hundred seventy-one".