54309695197 has 2 divisors, whose sum is σ = 54309695198. Its totient is φ = 54309695196.

The previous prime is 54309695177. The next prime is 54309695203. The reversal of 54309695197 is 79159690345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39231328761 + 15078366436 = 198069^2 + 122794^2 .

It is a cyclic number.

It is not a de Polignac number, because 54309695197 - 2¹¹ = 54309693149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54309695177) 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, 27154847598 + 27154847599.

It is an arithmetic number, because the mean of its divisors is an integer number (27154847599).

Almost surely, 2^54309695197 is an apocalyptic number.

It is an amenable number.

54309695197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54309695197 is an equidigital number, since it uses as much as digits as its factorization.

54309695197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9185400, while the sum is 58.

The spelling of 54309695197 in words is "fifty-four billion, three hundred nine million, six hundred ninety-five thousand, one hundred ninety-seven".