54266715709 has 2 divisors, whose sum is σ = 54266715710. Its totient is φ = 54266715708.

The previous prime is 54266715557. The next prime is 54266715743. The reversal of 54266715709 is 90751766245.

54266715709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51959834809 + 2306880900 = 227947^2 + 48030^2 .

It is a cyclic number.

It is not a de Polignac number, because 54266715709 - 2³⁵ = 19906977341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54266716709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27133357854 + 27133357855.

It is an arithmetic number, because the mean of its divisors is an integer number (27133357855).

Almost surely, 2^54266715709 is an apocalyptic number.

It is an amenable number.

54266715709 is a deficient number, since it is larger than the sum of its proper divisors (1).

54266715709 is an equidigital number, since it uses as much as digits as its factorization.

54266715709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 54266715709 in words is "fifty-four billion, two hundred sixty-six million, seven hundred fifteen thousand, seven hundred nine".