54120289 has 2 divisors, whose sum is σ = 54120290. Its totient is φ = 54120288.

The previous prime is 54120259. The next prime is 54120301. The reversal of 54120289 is 98202145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 5678689 = 6960^2 + 2383^2 .

It is a cyclic number.

It is not a de Polignac number, because 54120289 - 2¹⁵ = 54087521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54120289.

It is not a weakly prime, because it can be changed into another prime (54120259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27060144 + 27060145.

It is an arithmetic number, because the mean of its divisors is an integer number (27060145).

Almost surely, 2^54120289 is an apocalyptic number.

It is an amenable number.

54120289 is a deficient number, since it is larger than the sum of its proper divisors (1).

54120289 is an equidigital number, since it uses as much as digits as its factorization.

54120289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 54120289 is about 7356.6493052204. The cubic root of 54120289 is about 378.2567635780.

The spelling of 54120289 in words is "fifty-four million, one hundred twenty thousand, two hundred eighty-nine".