2055323598257 has 2 divisors, whose sum is σ = 2055323598258. Its totient is φ = 2055323598256.

The previous prime is 2055323598253. The next prime is 2055323598323. The reversal of 2055323598257 is 7528953235502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1792896898081 + 262426700176 = 1338991^2 + 512276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055323598257 - 2² = 2055323598253 is a prime.

It is not a weakly prime, because it can be changed into another prime (2055323598253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027661799128 + 1027661799129.

It is an arithmetic number, because the mean of its divisors is an integer number (1027661799129).

Almost surely, 2^{2055323598257} is an apocalyptic number.

It is an amenable number.

2055323598257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055323598257 is an equidigital number, since it uses as much as digits as its factorization.

2055323598257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680000, while the sum is 56.

The spelling of 2055323598257 in words is "two trillion, fifty-five billion, three hundred twenty-three million, five hundred ninety-eight thousand, two hundred fifty-seven".