54842197 has 2 divisors, whose sum is σ = 54842198. Its totient is φ = 54842196.

The previous prime is 54842191. The next prime is 54842237. The reversal of 54842197 is 79124845.

54842197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (54842237) can be obtained adding 54842197 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 8520561 = 6806^2 + 2919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54842197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54842191) 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, 27421098 + 27421099.

It is an arithmetic number, because the mean of its divisors is an integer number (27421099).

Almost surely, 2^54842197 is an apocalyptic number.

It is an amenable number.

54842197 is a deficient number, since it is larger than the sum of its proper divisors (1).

54842197 is an equidigital number, since it uses as much as digits as its factorization.

54842197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 54842197 is about 7405.5517687746. The cubic root of 54842197 is about 379.9311902185.

The spelling of 54842197 in words is "fifty-four million, eight hundred forty-two thousand, one hundred ninety-seven".