54045668899 has 2 divisors, whose sum is σ = 54045668900. Its totient is φ = 54045668898.

The previous prime is 54045668843. The next prime is 54045668947. The reversal of 54045668899 is 99886654045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54045668899 - 2¹³ = 54045660707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54045668899.

It is not a weakly prime, because it can be changed into another prime (54045668819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27022834449 + 27022834450.

It is an arithmetic number, because the mean of its divisors is an integer number (27022834450).

Almost surely, 2^54045668899 is an apocalyptic number.

54045668899 is a deficient number, since it is larger than the sum of its proper divisors (1).

54045668899 is an equidigital number, since it uses as much as digits as its factorization.

54045668899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74649600, while the sum is 64.

The spelling of 54045668899 in words is "fifty-four billion, forty-five million, six hundred sixty-eight thousand, eight hundred ninety-nine".