57266 has 16 divisors (see below), whose sum is σ = 99360. Its totient is φ = 24480.

The previous prime is 57259. The next prime is 57269. The reversal of 57266 is 66275.

It is not an unprimeable number, because it can be changed into a prime (57269) by changing a digit.

57266 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 486.

It is an arithmetic number, because the mean of its divisors is an integer number (6210).

2⁵⁷²⁶⁶ is an apocalyptic number.

57266 is a deficient number, since it is larger than the sum of its proper divisors (42094).

57266 is a wasteful number, since it uses less digits than its factorization.

57266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its digits is 2520, while the sum is 26.

The square root of 57266 is about 239.3031550147. The cubic root of 57266 is about 38.5447840024.

Subtracting 57266 from its reverse (66275), we obtain a palindrome (9009).

It can be divided in two parts, 57 and 266, that added together give a palindrome (323).

The spelling of 57266 in words is "fifty-seven thousand, two hundred sixty-six".