55320644059 has 2 divisors, whose sum is σ = 55320644060. Its totient is φ = 55320644058.

The previous prime is 55320644053. The next prime is 55320644069. The reversal of 55320644059 is 95044602355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55320644059 - 2¹¹ = 55320642011 is a prime.

It is not a weakly prime, because it can be changed into another prime (55320644053) 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, 27660322029 + 27660322030.

It is an arithmetic number, because the mean of its divisors is an integer number (27660322030).

Almost surely, 2^55320644059 is an apocalyptic number.

55320644059 is a deficient number, since it is larger than the sum of its proper divisors (1).

55320644059 is an equidigital number, since it uses as much as digits as its factorization.

55320644059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 55320644059 in words is "fifty-five billion, three hundred twenty million, six hundred forty-four thousand, fifty-nine".