57522 has 8 divisors (see below), whose sum is σ = 115056. Its totient is φ = 19172.

The previous prime is 57503. The next prime is 57527. The reversal of 57522 is 22575.

It is a sphenic number, since it is the product of 3 distinct primes.

57522 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (57527) by changing a digit.

57522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4788 + ... + 4799.

It is an arithmetic number, because the mean of its divisors is an integer number (14382).

2⁵⁷⁵²² is an apocalyptic number.

57522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57528).

57522 is a wasteful number, since it uses less digits than its factorization.

57522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9592.

The product of its digits is 700, while the sum is 21.

The square root of 57522 is about 239.8374449497. The cubic root of 57522 is about 38.6021350623.

The spelling of 57522 in words is "fifty-seven thousand, five hundred twenty-two".