54164242849 has 2 divisors, whose sum is σ = 54164242850. Its totient is φ = 54164242848.

The previous prime is 54164242841. The next prime is 54164242901. The reversal of 54164242849 is 94824246145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30644953249 + 23519289600 = 175057^2 + 153360^2 .

It is a cyclic number.

It is not a de Polignac number, because 54164242849 - 2³ = 54164242841 is a prime.

It is not a weakly prime, because it can be changed into another prime (54164242841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27082121424 + 27082121425.

It is an arithmetic number, because the mean of its divisors is an integer number (27082121425).

Almost surely, 2^54164242849 is an apocalyptic number.

It is an amenable number.

54164242849 is a deficient number, since it is larger than the sum of its proper divisors (1).

54164242849 is an equidigital number, since it uses as much as digits as its factorization.

54164242849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 49.

The spelling of 54164242849 in words is "fifty-four billion, one hundred sixty-four million, two hundred forty-two thousand, eight hundred forty-nine".