52557 has 4 divisors (see below), whose sum is σ = 70080. Its totient is φ = 35036.

The previous prime is 52553. The next prime is 52561. The reversal of 52557 is 75525.

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 an interprime number because it is at equal distance from previous prime (52553) and next prime (52561).

It is a cyclic number.

It is not a de Polignac number, because 52557 - 2² = 52553 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52553) 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, 8757 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (17520).

2⁵²⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

52557 is a deficient number, since it is larger than the sum of its proper divisors (17523).

52557 is a wasteful number, since it uses less digits than its factorization.

52557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17522.

The product of its digits is 1750, while the sum is 24.

The square root of 52557 is about 229.2531352021. The cubic root of 52557 is about 37.4579083277.

The spelling of 52557 in words is "fifty-two thousand, five hundred fifty-seven".