54289561 has 2 divisors, whose sum is σ = 54289562. Its totient is φ = 54289560.

The previous prime is 54289541. The next prime is 54289577. The reversal of 54289561 is 16598245.

54289561 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., 32490000 + 21799561 = 5700^2 + 4669^2 .

It is a cyclic number.

It is not a de Polignac number, because 54289561 - 2¹⁹ = 53765273 is a prime.

It is not a weakly prime, because it can be changed into another prime (54289531) 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, 27144780 + 27144781.

It is an arithmetic number, because the mean of its divisors is an integer number (27144781).

Almost surely, 2^54289561 is an apocalyptic number.

It is an amenable number.

54289561 is a deficient number, since it is larger than the sum of its proper divisors (1).

54289561 is an equidigital number, since it uses as much as digits as its factorization.

54289561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 54289561 is about 7368.1450175740. The cubic root of 54289561 is about 378.6507109748.

The spelling of 54289561 in words is "fifty-four million, two hundred eighty-nine thousand, five hundred sixty-one".