27755277749053 has 2 divisors, whose sum is σ = 27755277749054. Its totient is φ = 27755277749052.

The previous prime is 27755277749047. The next prime is 27755277749071. The reversal of 27755277749053 is 35094777255772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16397656557604 + 11357621191449 = 4049402^2 + 3370107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27755277749053 is a prime.

It is a super-3 number, since 3×27755277749053³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27755277749033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13877638874526 + 13877638874527.

It is an arithmetic number, because the mean of its divisors is an integer number (13877638874527).

Almost surely, 2^{27755277749053} is an apocalyptic number.

It is an amenable number.

27755277749053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27755277749053 is an equidigital number, since it uses as much as digits as its factorization.

27755277749053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907578000, while the sum is 70.

The spelling of 27755277749053 in words is "twenty-seven trillion, seven hundred fifty-five billion, two hundred seventy-seven million, seven hundred forty-nine thousand, fifty-three".