26480555 has 4 divisors (see below), whose sum is σ = 31776672. Its totient is φ = 21184440.

The previous prime is 26480551. The next prime is 26480609. The reversal of 26480555 is 55508462.

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

It is not a de Polignac number, because 26480555 - 2² = 26480551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26480551) by changing a digit.

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, 2648051 + ... + 2648060.

It is an arithmetic number, because the mean of its divisors is an integer number (7944168).

Almost surely, 2^26480555 is an apocalyptic number.

26480555 is a deficient number, since it is larger than the sum of its proper divisors (5296117).

26480555 is an equidigital number, since it uses as much as digits as its factorization.

26480555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296116.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 26480555 is about 5145.9260585438. The cubic root of 26480555 is about 298.0636584572.

The spelling of 26480555 in words is "twenty-six million, four hundred eighty thousand, five hundred fifty-five".