26055889 has 2 divisors, whose sum is σ = 26055890. Its totient is φ = 26055888.

The previous prime is 26055857. The next prime is 26055923. The reversal of 26055889 is 98855062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20857489 + 5198400 = 4567^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 26055889 - 2⁵ = 26055857 is a prime.

It is not a weakly prime, because it can be changed into another prime (26050889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13027944 + 13027945.

It is an arithmetic number, because the mean of its divisors is an integer number (13027945).

Almost surely, 2^26055889 is an apocalyptic number.

It is an amenable number.

26055889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26055889 is an equidigital number, since it uses as much as digits as its factorization.

26055889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 26055889 is about 5104.4969389745. The cubic root of 26055889 is about 296.4617253643.

The spelling of 26055889 in words is "twenty-six million, fifty-five thousand, eight hundred eighty-nine".