27505532953 has 2 divisors, whose sum is σ = 27505532954. Its totient is φ = 27505532952.

The previous prime is 27505532941. The next prime is 27505532969. The reversal of 27505532953 is 35923550572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26643053529 + 862479424 = 163227^2 + 29368^2 .

It is a cyclic number.

It is not a de Polignac number, because 27505532953 - 2⁵ = 27505532921 is a prime.

It is not a weakly prime, because it can be changed into another prime (27505532903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13752766476 + 13752766477.

It is an arithmetic number, because the mean of its divisors is an integer number (13752766477).

Almost surely, 2^27505532953 is an apocalyptic number.

It is an amenable number.

27505532953 is a deficient number, since it is larger than the sum of its proper divisors (1).

27505532953 is an equidigital number, since it uses as much as digits as its factorization.

27505532953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417500, while the sum is 46.

The spelling of 27505532953 in words is "twenty-seven billion, five hundred five million, five hundred thirty-two thousand, nine hundred fifty-three".