57946866 has 8 divisors (see below), whose sum is σ = 115893744. Its totient is φ = 19315620.

The previous prime is 57946859. The next prime is 57946877. The reversal of 57946866 is 66864975.

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

57946866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4828900 + ... + 4828911.

It is an arithmetic number, because the mean of its divisors is an integer number (14486718).

Almost surely, 2^57946866 is an apocalyptic number.

57946866 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.

57946866 is a wasteful number, since it uses less digits than its factorization.

57946866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657816.

The product of its digits is 2177280, while the sum is 51.

The square root of 57946866 is about 7612.2838885580. The cubic root of 57946866 is about 386.9694238341.

The spelling of 57946866 in words is "fifty-seven million, nine hundred forty-six thousand, eight hundred sixty-six".