27455534133 has 4 divisors (see below), whose sum is σ = 36607378848. Its totient is φ = 18303689420.

The previous prime is 27455534081. The next prime is 27455534143. The reversal of 27455534133 is 33143555472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27455534133 - 2⁹ = 27455533621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27455534143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4575922353 + ... + 4575922358.

It is an arithmetic number, because the mean of its divisors is an integer number (9151844712).

Almost surely, 2^27455534133 is an apocalyptic number.

It is an amenable number.

27455534133 is a deficient number, since it is larger than the sum of its proper divisors (9151844715).

27455534133 is an equidigital number, since it uses as much as digits as its factorization.

27455534133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151844714.

The product of its digits is 756000, while the sum is 42.

The spelling of 27455534133 in words is "twenty-seven billion, four hundred fifty-five million, five hundred thirty-four thousand, one hundred thirty-three".