27502530553 has 2 divisors, whose sum is σ = 27502530554. Its totient is φ = 27502530552.

The previous prime is 27502530551. The next prime is 27502530613. The reversal of 27502530553 is 35503520572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26162092009 + 1340438544 = 161747^2 + 36612^2 .

It is a cyclic number.

It is not a de Polignac number, because 27502530553 - 2¹ = 27502530551 is a prime.

Together with 27502530551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27502530551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13751265276 + 13751265277.

It is an arithmetic number, because the mean of its divisors is an integer number (13751265277).

Almost surely, 2^27502530553 is an apocalyptic number.

It is an amenable number.

27502530553 is a deficient number, since it is larger than the sum of its proper divisors (1).

27502530553 is an equidigital number, since it uses as much as digits as its factorization.

27502530553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 37.

The spelling of 27502530553 in words is "twenty-seven billion, five hundred two million, five hundred thirty thousand, five hundred fifty-three".