57265666 has 4 divisors (see below), whose sum is σ = 85898502. Its totient is φ = 28632832.

The previous prime is 57265661. The next prime is 57265667. The reversal of 57265666 is 66656275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55875625 + 1390041 = 7475^2 + 1179^2 .

It is not an unprimeable number, because it can be changed into a prime (57265661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14316415 + ... + 14316418.

Almost surely, 2^57265666 is an apocalyptic number.

57265666 is a deficient number, since it is larger than the sum of its proper divisors (28632836).

57265666 is a wasteful number, since it uses less digits than its factorization.

57265666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28632835.

The product of its digits is 453600, while the sum is 43.

The square root of 57265666 is about 7567.4081428188. The cubic root of 57265666 is about 385.4470906564.

The spelling of 57265666 in words is "fifty-seven million, two hundred sixty-five thousand, six hundred sixty-six".