26089955 has 4 divisors (see below), whose sum is σ = 31307952. Its totient is φ = 20871960.

The previous prime is 26089927. The next prime is 26089961. The reversal of 26089955 is 55998062.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26089955 - 2⁶ = 26089891 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608991 + ... + 2609000.

It is an arithmetic number, because the mean of its divisors is an integer number (7826988).

Almost surely, 2^26089955 is an apocalyptic number.

26089955 is a deficient number, since it is larger than the sum of its proper divisors (5217997).

26089955 is an equidigital number, since it uses as much as digits as its factorization.

26089955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217996.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 26089955 is about 5107.8327106514. The cubic root of 26089955 is about 296.5908691317.

The spelling of 26089955 in words is "twenty-six million, eighty-nine thousand, nine hundred fifty-five".