26300455553 has 4 divisors (see below), whose sum is σ = 26300898900. Its totient is φ = 26300012208.

The previous prime is 26300455537. The next prime is 26300455589. The reversal of 26300455553 is 35555400362.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21277473424 + 5022982129 = 145868^2 + 70873^2 .

It is a cyclic number.

It is not a de Polignac number, because 26300455553 - 2⁴ = 26300455537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26300455513) 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, 115850 + ... + 256947.

It is an arithmetic number, because the mean of its divisors is an integer number (6575224725).

Almost surely, 2^26300455553 is an apocalyptic number.

It is an amenable number.

26300455553 is a deficient number, since it is larger than the sum of its proper divisors (443347).

26300455553 is an equidigital number, since it uses as much as digits as its factorization.

26300455553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443346.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 26300455553 in words is "twenty-six billion, three hundred million, four hundred fifty-five thousand, five hundred fifty-three".