54459161 has 2 divisors, whose sum is σ = 54459162. Its totient is φ = 54459160.

The previous prime is 54459151. The next prime is 54459173. The reversal of 54459161 is 16195445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 7946761 = 6820^2 + 2819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54459161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54459151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27229580 + 27229581.

It is an arithmetic number, because the mean of its divisors is an integer number (27229581).

Almost surely, 2^54459161 is an apocalyptic number.

It is an amenable number.

54459161 is a deficient number, since it is larger than the sum of its proper divisors (1).

54459161 is an equidigital number, since it uses as much as digits as its factorization.

54459161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 54459161 is about 7379.6450456645. The cubic root of 54459161 is about 379.0446013281.

The spelling of 54459161 in words is "fifty-four million, four hundred fifty-nine thousand, one hundred sixty-one".