55504666939 has 2 divisors, whose sum is σ = 55504666940. Its totient is φ = 55504666938.

The previous prime is 55504666909. The next prime is 55504667011. The reversal of 55504666939 is 93966640555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55504666939 - 2¹⁹ = 55504142651 is a prime.

It is not a weakly prime, because it can be changed into another prime (55504666909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752333469 + 27752333470.

It is an arithmetic number, because the mean of its divisors is an integer number (27752333470).

Almost surely, 2^55504666939 is an apocalyptic number.

55504666939 is a deficient number, since it is larger than the sum of its proper divisors (1).

55504666939 is an equidigital number, since it uses as much as digits as its factorization.

55504666939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244000, while the sum is 58.

The spelling of 55504666939 in words is "fifty-five billion, five hundred four million, six hundred sixty-six thousand, nine hundred thirty-nine".