57066371 has 4 divisors (see below), whose sum is σ = 57085392. Its totient is φ = 57047352.

The previous prime is 57066353. The next prime is 57066377. The reversal of 57066371 is 17366075.

57066371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 57066371 - 2¹⁴ = 57049987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57066377) 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, 3911 + ... + 11376.

It is an arithmetic number, because the mean of its divisors is an integer number (14271348).

Almost surely, 2^57066371 is an apocalyptic number.

57066371 is a deficient number, since it is larger than the sum of its proper divisors (19021).

57066371 is a wasteful number, since it uses less digits than its factorization.

57066371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19020.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 57066371 is about 7554.2286833270. The cubic root of 57066371 is about 384.9994287955. Note that the first 3 decimals are identical.

The spelling of 57066371 in words is "fifty-seven million, sixty-six thousand, three hundred seventy-one".