57255266 has 8 divisors (see below), whose sum is σ = 85918764. Its totient is φ = 28615680.

The previous prime is 57255239. The next prime is 57255277. The reversal of 57255266 is 66255275.

57255266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57078025 + 177241 = 7555^2 + 421^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2306 + ... + 10946.

Almost surely, 2^57255266 is an apocalyptic number.

57255266 is a deficient number, since it is larger than the sum of its proper divisors (28663498).

57255266 is a wasteful number, since it uses less digits than its factorization.

57255266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11956.

The product of its digits is 126000, while the sum is 38.

The square root of 57255266 is about 7566.7209542840. The cubic root of 57255266 is about 385.4237556011.

Subtracting 57255266 from its reverse (66255275), we obtain a palindrome (9000009).

The spelling of 57255266 in words is "fifty-seven million, two hundred fifty-five thousand, two hundred sixty-six".