105555049 has 2 divisors, whose sum is σ = 105555050. Its totient is φ = 105555048.

The previous prime is 105555019. The next prime is 105555101. The reversal of 105555049 is 940555501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101868649 + 3686400 = 10093^2 + 1920^2 .

It is a cyclic number.

It is not a de Polignac number, because 105555049 - 2⁵ = 105555017 is a prime.

It is a super-2 number, since 2×105555049² = 22283736738784802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105555019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52777524 + 52777525.

It is an arithmetic number, because the mean of its divisors is an integer number (52777525).

Almost surely, 2^105555049 is an apocalyptic number.

It is an amenable number.

105555049 is a deficient number, since it is larger than the sum of its proper divisors (1).

105555049 is an equidigital number, since it uses as much as digits as its factorization.

105555049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 105555049 is about 10273.9986860034. The cubic root of 105555049 is about 472.5992236772.

The spelling of 105555049 in words is "one hundred five million, five hundred fifty-five thousand, forty-nine".