27752835553 has 2 divisors, whose sum is σ = 27752835554. Its totient is φ = 27752835552.

The previous prime is 27752835547. The next prime is 27752835581. The reversal of 27752835553 is 35553825772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24277379344 + 3475456209 = 155812^2 + 58953^2 .

It is a cyclic number.

It is not a de Polignac number, because 27752835553 - 2¹⁷ = 27752704481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27752835553.

It is not a weakly prime, because it can be changed into another prime (27752835503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876417776 + 13876417777.

It is an arithmetic number, because the mean of its divisors is an integer number (13876417777).

Almost surely, 2^27752835553 is an apocalyptic number.

It is an amenable number.

27752835553 is a deficient number, since it is larger than the sum of its proper divisors (1).

27752835553 is an equidigital number, since it uses as much as digits as its factorization.

27752835553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820000, while the sum is 52.

The spelling of 27752835553 in words is "twenty-seven billion, seven hundred fifty-two million, eight hundred thirty-five thousand, five hundred fifty-three".