53109 has 16 divisors (see below), whose sum is σ = 90240. Its totient is φ = 30240.

The previous prime is 53101. The next prime is 53113. The reversal of 53109 is 90135.

It is not a de Polignac number, because 53109 - 2³ = 53101 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 53091 and 53100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53101) 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 15 ways as a sum of consecutive naturals, for example, 49 + ... + 329.

It is an arithmetic number, because the mean of its divisors is an integer number (5640).

2⁵³¹⁰⁹ is an apocalyptic number.

It is an amenable number.

53109 is a deficient number, since it is larger than the sum of its proper divisors (37131).

53109 is a wasteful number, since it uses less digits than its factorization.

53109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 53109 is about 230.4538999453. The cubic root of 53109 is about 37.5885905476.

The spelling of 53109 in words is "fifty-three thousand, one hundred nine".