26053889 has 4 divisors (see below), whose sum is σ = 26155524. Its totient is φ = 25952256.

The previous prime is 26053879. The next prime is 26053903. The reversal of 26053889 is 98835062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98835062 = 2 ⋅49417531.

It can be written as a sum of positive squares in 2 ways, for example, as 25170289 + 883600 = 5017^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 26053889 - 2⁴ = 26053873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26053879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50432 + ... + 50945.

It is an arithmetic number, because the mean of its divisors is an integer number (6538881).

Almost surely, 2^26053889 is an apocalyptic number.

It is an amenable number.

26053889 is a deficient number, since it is larger than the sum of its proper divisors (101635).

26053889 is a wasteful number, since it uses less digits than its factorization.

26053889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101634.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 26053889 is about 5104.3010295240. The cubic root of 26053889 is about 296.4541398927.

The spelling of 26053889 in words is "twenty-six million, fifty-three thousand, eight hundred eighty-nine".