2557050049 has 2 divisors, whose sum is σ = 2557050050. Its totient is φ = 2557050048.

The previous prime is 2557050043. The next prime is 2557050073. The reversal of 2557050049 is 9400507552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1410753600 + 1146296449 = 37560^2 + 33857^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557050049 - 2⁷ = 2557049921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2557050043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278525024 + 1278525025.

It is an arithmetic number, because the mean of its divisors is an integer number (1278525025).

Almost surely, 2^2557050049 is an apocalyptic number.

It is an amenable number.

2557050049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557050049 is an equidigital number, since it uses as much as digits as its factorization.

2557050049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 2557050049 is about 50567.2823968226. The cubic root of 2557050049 is about 1367.4551027508.

The spelling of 2557050049 in words is "two billion, five hundred fifty-seven million, fifty thousand, forty-nine".