55385684027 has 2 divisors, whose sum is σ = 55385684028. Its totient is φ = 55385684026.

The previous prime is 55385683999. The next prime is 55385684093. The reversal of 55385684027 is 72048658355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55385684027 - 2⁶ = 55385683963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55385684027.

It is not a weakly prime, because it can be changed into another prime (55385684527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27692842013 + 27692842014.

It is an arithmetic number, because the mean of its divisors is an integer number (27692842014).

Almost surely, 2^55385684027 is an apocalyptic number.

55385684027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55385684027 is an equidigital number, since it uses as much as digits as its factorization.

55385684027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 55385684027 in words is "fifty-five billion, three hundred eighty-five million, six hundred eighty-four thousand, twenty-seven".