52549 has 4 divisors (see below), whose sum is σ = 60064. Its totient is φ = 45036.

The previous prime is 52543. The next prime is 52553. The reversal of 52549 is 94525.

52549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 52549 - 2³ = 52541 is a prime.

It is a super-2 number, since 2×52549² = 5522794802, which contains 22 as substring.

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

It is a Duffinian number.

52549 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52541) 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, 3747 + ... + 3760.

It is an arithmetic number, because the mean of its divisors is an integer number (15016).

2⁵²⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

52549 is a deficient number, since it is larger than the sum of its proper divisors (7515).

52549 is an equidigital number, since it uses as much as digits as its factorization.

52549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514.

The product of its digits is 1800, while the sum is 25.

The square root of 52549 is about 229.2356865761. The cubic root of 52549 is about 37.4560076708.

The spelling of 52549 in words is "fifty-two thousand, five hundred forty-nine".