2055857339 has 2 divisors, whose sum is σ = 2055857340. Its totient is φ = 2055857338.

The previous prime is 2055857303. The next prime is 2055857407. The reversal of 2055857339 is 9337585502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2055857339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2055857293 and 2055857302.

It is not a weakly prime, because it can be changed into another prime (2055857239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027928669 + 1027928670.

It is an arithmetic number, because the mean of its divisors is an integer number (1027928670).

Almost surely, 2^2055857339 is an apocalyptic number.

2055857339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055857339 is an equidigital number, since it uses as much as digits as its factorization.

2055857339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The square root of 2055857339 is about 45341.5630409892. The cubic root of 2055857339 is about 1271.5428247986.

The spelling of 2055857339 in words is "two billion, fifty-five million, eight hundred fifty-seven thousand, three hundred thirty-nine".