52169 has 4 divisors (see below), whose sum is σ = 56196. Its totient is φ = 48144.

The previous prime is 52163. The next prime is 52177. The reversal of 52169 is 96125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25600 + 26569 = 160^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 52169 - 2⁴ = 52153 is a prime.

It is a super-2 number, since 2×52169² = 5443209122, which contains 22 as substring.

It is an Ulam number.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52163) 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, 1994 + ... + 2019.

It is an arithmetic number, because the mean of its divisors is an integer number (14049).

2⁵²¹⁶⁹ is an apocalyptic number.

It is an amenable number.

52169 is a deficient number, since it is larger than the sum of its proper divisors (4027).

52169 is a wasteful number, since it uses less digits than its factorization.

52169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026.

The product of its digits is 540, while the sum is 23.

The square root of 52169 is about 228.4053414437. The cubic root of 52169 is about 37.3655033795.

Subtracting 52169 from its reverse (96125), we obtain a triangular number (43956 = T₂₉₆).

It can be divided in two parts, 5216 and 9, that added together give a palindrome (5225).

The spelling of 52169 in words is "fifty-two thousand, one hundred sixty-nine".