26260555 has 4 divisors (see below), whose sum is σ = 31512672. Its totient is φ = 21008440.

The previous prime is 26260537. The next prime is 26260567. The reversal of 26260555 is 55506262.

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

It is not a de Polignac number, because 26260555 - 2⁵ = 26260523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626051 + ... + 2626060.

It is an arithmetic number, because the mean of its divisors is an integer number (7878168).

Almost surely, 2^26260555 is an apocalyptic number.

26260555 is a deficient number, since it is larger than the sum of its proper divisors (5252117).

26260555 is an equidigital number, since it uses as much as digits as its factorization.

26260555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252116.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 26260555 is about 5124.5053419818. The cubic root of 26260555 is about 297.2359260122.

The spelling of 26260555 in words is "twenty-six million, two hundred sixty thousand, five hundred fifty-five".