54664802399 has 2 divisors, whose sum is σ = 54664802400. Its totient is φ = 54664802398.

The previous prime is 54664802393. The next prime is 54664802419. The reversal of 54664802399 is 99320846645.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54664802399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54664802393) 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, 27332401199 + 27332401200.

It is an arithmetic number, because the mean of its divisors is an integer number (27332401200).

Almost surely, 2^54664802399 is an apocalyptic number.

54664802399 is a deficient number, since it is larger than the sum of its proper divisors (1).

54664802399 is an equidigital number, since it uses as much as digits as its factorization.

54664802399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 54664802399 in words is "fifty-four billion, six hundred sixty-four million, eight hundred two thousand, three hundred ninety-nine".