57966939 has 6 divisors (see below), whose sum is σ = 83730036. Its totient is φ = 38644620.

The previous prime is 57966917. The next prime is 57966941. The reversal of 57966939 is 93966975.

57966939 is a `hidden beast` number, since 579 + 6 + 69 + 3 + 9 = 666.

57966939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57966939 - 2¹¹ = 57964891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57966949) 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 5 ways as a sum of consecutive naturals, for example, 3220377 + ... + 3220394.

It is an arithmetic number, because the mean of its divisors is an integer number (13955006).

Almost surely, 2^57966939 is an apocalyptic number.

57966939 is a deficient number, since it is larger than the sum of its proper divisors (25763097).

57966939 is a wasteful number, since it uses less digits than its factorization.

57966939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440777 (or 6440774 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 57966939 is about 7613.6022354730. The cubic root of 57966939 is about 387.0141012028.

The spelling of 57966939 in words is "fifty-seven million, nine hundred sixty-six thousand, nine hundred thirty-nine".