54534209 has 2 divisors, whose sum is σ = 54534210. Its totient is φ = 54534208.

The previous prime is 54534197. The next prime is 54534229. The reversal of 54534209 is 90243545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 16834609 = 6140^2 + 4103^2 .

It is a cyclic number.

It is not a de Polignac number, because 54534209 - 2⁸ = 54533953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54534229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27267104 + 27267105.

It is an arithmetic number, because the mean of its divisors is an integer number (27267105).

Almost surely, 2^54534209 is an apocalyptic number.

It is an amenable number.

54534209 is a deficient number, since it is larger than the sum of its proper divisors (1).

54534209 is an equidigital number, since it uses as much as digits as its factorization.

54534209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 54534209 is about 7384.7280924893. The cubic root of 54534209 is about 379.2186368298.

The spelling of 54534209 in words is "fifty-four million, five hundred thirty-four thousand, two hundred nine".