57027666 has 16 divisors (see below), whose sum is σ = 114418944. Its totient is φ = 18948624.

The previous prime is 57027643. The next prime is 57027667. The reversal of 57027666 is 66672075.

It is not an unprimeable number, because it can be changed into a prime (57027667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13090 + ... + 16893.

It is an arithmetic number, because the mean of its divisors is an integer number (7151184).

Almost surely, 2^57027666 is an apocalyptic number.

57027666 is an abundant number, since it is smaller than the sum of its proper divisors (57391278).

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

57027666 is a wasteful number, since it uses less digits than its factorization.

57027666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30305.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 57027666 is about 7551.6664386081. Note that the first 3 decimals coincide. The cubic root of 57027666 is about 384.9123677539.

The spelling of 57027666 in words is "fifty-seven million, twenty-seven thousand, six hundred sixty-six".