57330066 has 16 divisors (see below), whose sum is σ = 114930144. Its totient is φ = 19065024.

The previous prime is 57330043. The next prime is 57330107. The reversal of 57330066 is 66003375.

57330066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 8436 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (7183134).

Almost surely, 2^57330066 is an apocalyptic number.

57330066 is an abundant number, since it is smaller than the sum of its proper divisors (57600078).

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

57330066 is a wasteful number, since it uses less digits than its factorization.

57330066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22505.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 57330066 is about 7571.6620368318. The cubic root of 57330066 is about 385.5915256211.

The spelling of 57330066 in words is "fifty-seven million, three hundred thirty thousand, sixty-six".