26191055 has 12 divisors (see below), whose sum is σ = 34547016. Its totient is φ = 19047600.

The previous prime is 26191051. The next prime is 26191069. The reversal of 26191055 is 55019162.

It is not a de Polignac number, because 26191055 - 2² = 26191051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26191051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21041 + ... + 22250.

It is an arithmetic number, because the mean of its divisors is an integer number (2878918).

Almost surely, 2^26191055 is an apocalyptic number.

26191055 is a deficient number, since it is larger than the sum of its proper divisors (8355961).

26191055 is a wasteful number, since it uses less digits than its factorization.

26191055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43318 (or 43307 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 26191055 is about 5117.7197070570. The cubic root of 26191055 is about 296.9734772840.

The spelling of 26191055 in words is "twenty-six million, one hundred ninety-one thousand, fifty-five".