27803055053 has 12 divisors (see below), whose sum is σ = 29673125820. Its totient is φ = 26043754176.

The previous prime is 27803055047. The next prime is 27803055067. The reversal of 27803055053 is 35055030872.

It can be written as a sum of positive squares in 2 ways, for example, as 13845522889 + 13957532164 = 117667^2 + 118142^2 .

It is not a de Polignac number, because 27803055053 - 2⁶ = 27803054989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27803054998 and 27803055016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27803055353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400550 + ... + 464807.

It is an arithmetic number, because the mean of its divisors is an integer number (2472760485).

Almost surely, 2^27803055053 is an apocalyptic number.

It is an amenable number.

27803055053 is a deficient number, since it is larger than the sum of its proper divisors (1870070767).

27803055053 is an equidigital number, since it uses as much as digits as its factorization.

27803055053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865484 (or 865465 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 27803055053 in words is "twenty-seven billion, eight hundred three million, fifty-five thousand, fifty-three".