27553057783 has 2 divisors, whose sum is σ = 27553057784. Its totient is φ = 27553057782.

The previous prime is 27553057781. The next prime is 27553057787. The reversal of 27553057783 is 38775035572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27553057783 - 2¹ = 27553057781 is a prime.

Together with 27553057781, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27553057783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27553057781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776528891 + 13776528892.

It is an arithmetic number, because the mean of its divisors is an integer number (13776528892).

Almost surely, 2^27553057783 is an apocalyptic number.

27553057783 is a deficient number, since it is larger than the sum of its proper divisors (1).

27553057783 is an equidigital number, since it uses as much as digits as its factorization.

27553057783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 27553057783 in words is "twenty-seven billion, five hundred fifty-three million, fifty-seven thousand, seven hundred eighty-three".