53846209 has 4 divisors (see below), whose sum is σ = 56680240. Its totient is φ = 51012180.

The previous prime is 53846203. The next prime is 53846213. The reversal of 53846209 is 90264835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90264835 = 5 ⋅18052967.

It is a cyclic number.

It is not a de Polignac number, because 53846209 - 2³ = 53846201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53846201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416987 + ... + 1417024.

It is an arithmetic number, because the mean of its divisors is an integer number (14170060).

Almost surely, 2^53846209 is an apocalyptic number.

It is an amenable number.

53846209 is a deficient number, since it is larger than the sum of its proper divisors (2834031).

53846209 is a wasteful number, since it uses less digits than its factorization.

53846209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834030.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 53846209 is about 7337.9976151536. The cubic root of 53846209 is about 377.6171506061.

The spelling of 53846209 in words is "fifty-three million, eight hundred forty-six thousand, two hundred nine".