54664704109 has 2 divisors, whose sum is σ = 54664704110. Its totient is φ = 54664704108.

The previous prime is 54664704089. The next prime is 54664704191. The reversal of 54664704109 is 90140746645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32401080009 + 22263624100 = 180003^2 + 149210^2 .

It is a cyclic number.

It is not a de Polignac number, because 54664704109 - 2⁵ = 54664704077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54664704209) 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, 27332352054 + 27332352055.

It is an arithmetic number, because the mean of its divisors is an integer number (27332352055).

Almost surely, 2^54664704109 is an apocalyptic number.

It is an amenable number.

54664704109 is a deficient number, since it is larger than the sum of its proper divisors (1).

54664704109 is an equidigital number, since it uses as much as digits as its factorization.

54664704109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 54664704109 in words is "fifty-four billion, six hundred sixty-four million, seven hundred four thousand, one hundred nine".