57942966 has 8 divisors (see below), whose sum is σ = 115885944. Its totient is φ = 19314320.

The previous prime is 57942949. The next prime is 57942967. The reversal of 57942966 is 66924975.

It is a sphenic number, since it is the product of 3 distinct primes.

57942966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57942967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4828575 + ... + 4828586.

It is an arithmetic number, because the mean of its divisors is an integer number (14485743).

Almost surely, 2^57942966 is an apocalyptic number.

57942966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57942966 is a wasteful number, since it uses less digits than its factorization.

57942966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657166.

The product of its digits is 816480, while the sum is 48.

The square root of 57942966 is about 7612.0277193400. The cubic root of 57942966 is about 386.9607422336.

Subtracting 57942966 from its reverse (66924975), we obtain a square (8982009 = 2997²).

The spelling of 57942966 in words is "fifty-seven million, nine hundred forty-two thousand, nine hundred sixty-six".