55645340027 has 2 divisors, whose sum is σ = 55645340028. Its totient is φ = 55645340026.

The previous prime is 55645340017. The next prime is 55645340057. The reversal of 55645340027 is 72004354655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55645340027 - 2¹⁶ = 55645274491 is a prime.

It is not a weakly prime, because it can be changed into another prime (55645340017) 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, 27822670013 + 27822670014.

It is an arithmetic number, because the mean of its divisors is an integer number (27822670014).

Almost surely, 2^55645340027 is an apocalyptic number.

55645340027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55645340027 is an equidigital number, since it uses as much as digits as its factorization.

55645340027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 55645340027 in words is "fifty-five billion, six hundred forty-five million, three hundred forty thousand, twenty-seven".