2655057857 has 2 divisors, whose sum is σ = 2655057858. Its totient is φ = 2655057856.

The previous prime is 2655057749. The next prime is 2655057887. The reversal of 2655057857 is 7587505562.

It is a happy number.

2655057857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2129914801 + 525143056 = 46151^2 + 22916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2655057857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2655057887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327528928 + 1327528929.

It is an arithmetic number, because the mean of its divisors is an integer number (1327528929).

Almost surely, 2^2655057857 is an apocalyptic number.

It is an amenable number.

2655057857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655057857 is an equidigital number, since it uses as much as digits as its factorization.

2655057857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940000, while the sum is 50.

The square root of 2655057857 is about 51527.2535363569. The cubic root of 2655057857 is about 1384.7073468383.

The spelling of 2655057857 in words is "two billion, six hundred fifty-five million, fifty-seven thousand, eight hundred fifty-seven".