52109 has 4 divisors (see below), whose sum is σ = 52704. Its totient is φ = 51516.

The previous prime is 52103. The next prime is 52121. The reversal of 52109 is 90125.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52109 - 2⁸ = 51853 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 350.

It is an arithmetic number, because the mean of its divisors is an integer number (13176).

2⁵²¹⁰⁹ is an apocalyptic number.

It is an amenable number.

52109 is a deficient number, since it is larger than the sum of its proper divisors (595).

52109 is a wasteful number, since it uses less digits than its factorization.

52109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 52109 is about 228.2739582169. The cubic root of 52109 is about 37.3511730924.

It can be divided in two parts, 52 and 109, that added together give a palindrome (161).

The spelling of 52109 in words is "fifty-two thousand, one hundred nine".