57994666 has 4 divisors (see below), whose sum is σ = 86992002. Its totient is φ = 28997332.

The previous prime is 57994639. The next prime is 57994679. The reversal of 57994666 is 66649975.

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

It can be written as a sum of positive squares in only one way, i.e., 55935441 + 2059225 = 7479^2 + 1435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14498665 + ... + 14498668.

Almost surely, 2^57994666 is an apocalyptic number.

57994666 is a deficient number, since it is larger than the sum of its proper divisors (28997336).

57994666 is a wasteful number, since it uses less digits than its factorization.

57994666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28997335.

The product of its digits is 2449440, while the sum is 52.

The square root of 57994666 is about 7615.4229035557. The cubic root of 57994666 is about 387.0757974599.

The spelling of 57994666 in words is "fifty-seven million, nine hundred ninety-four thousand, six hundred sixty-six".