54900050209 has 2 divisors, whose sum is σ = 54900050210. Its totient is φ = 54900050208.

The previous prime is 54900050171. The next prime is 54900050221. The reversal of 54900050209 is 90205000945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44172269584 + 10727780625 = 210172^2 + 103575^2 .

It is a cyclic number.

It is not a de Polignac number, because 54900050209 - 2¹⁵ = 54900017441 is a prime.

It is not a weakly prime, because it can be changed into another prime (54900050269) 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, 27450025104 + 27450025105.

It is an arithmetic number, because the mean of its divisors is an integer number (27450025105).

Almost surely, 2^54900050209 is an apocalyptic number.

It is an amenable number.

54900050209 is a deficient number, since it is larger than the sum of its proper divisors (1).

54900050209 is an equidigital number, since it uses as much as digits as its factorization.

54900050209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 54900050209 in words is "fifty-four billion, nine hundred million, fifty thousand, two hundred nine".