54436430089 has 2 divisors, whose sum is σ = 54436430090. Its totient is φ = 54436430088.

The previous prime is 54436430021. The next prime is 54436430119. The reversal of 54436430089 is 98003463445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45312359689 + 9124070400 = 212867^2 + 95520^2 .

It is a cyclic number.

It is not a de Polignac number, because 54436430089 - 2⁷ = 54436429961 is a prime.

It is not a weakly prime, because it can be changed into another prime (54436430189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27218215044 + 27218215045.

It is an arithmetic number, because the mean of its divisors is an integer number (27218215045).

Almost surely, 2^54436430089 is an apocalyptic number.

It is an amenable number.

54436430089 is a deficient number, since it is larger than the sum of its proper divisors (1).

54436430089 is an equidigital number, since it uses as much as digits as its factorization.

54436430089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 54436430089 in words is "fifty-four billion, four hundred thirty-six million, four hundred thirty thousand, eighty-nine".