57266266 has 8 divisors (see below), whose sum is σ = 90420480. Its totient is φ = 27126108.

The previous prime is 57266263. The next prime is 57266273. The reversal of 57266266 is 66266275.

It is a happy number.

57266266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (57266263) by changing a digit.

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, 753466 + ... + 753541.

It is an arithmetic number, because the mean of its divisors is an integer number (11302560).

Almost surely, 2^57266266 is an apocalyptic number.

57266266 is a deficient number, since it is larger than the sum of its proper divisors (33154214).

57266266 is a wasteful number, since it uses less digits than its factorization.

57266266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507028.

The product of its digits is 181440, while the sum is 40.

The square root of 57266266 is about 7567.4477864073. The cubic root of 57266266 is about 385.4484368233.

Subtracting 57266266 from its reverse (66266275), we obtain a palindrome (9000009).

The spelling of 57266266 in words is "fifty-seven million, two hundred sixty-six thousand, two hundred sixty-six".