27750000053 has 2 divisors, whose sum is σ = 27750000054. Its totient is φ = 27750000052.

The previous prime is 27750000049. The next prime is 27750000073. The reversal of 27750000053 is 35000005772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19477551844 + 8272448209 = 139562^2 + 90953^2 .

It is a cyclic number.

It is not a de Polignac number, because 27750000053 - 2² = 27750000049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27749999980 and 27750000025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27750000073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875000026 + 13875000027.

It is an arithmetic number, because the mean of its divisors is an integer number (13875000027).

Almost surely, 2^27750000053 is an apocalyptic number.

It is an amenable number.

27750000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27750000053 is an equidigital number, since it uses as much as digits as its factorization.

27750000053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 29.

The spelling of 27750000053 in words is "twenty-seven billion, seven hundred fifty million, fifty-three", and thus it is an aban number.