57620866 has 8 divisors (see below), whose sum is σ = 86610240. Its totient is φ = 28750788.

The previous prime is 57620839. The next prime is 57620873. The reversal of 57620866 is 66802675.

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

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, 28606 + ... + 30553.

It is an arithmetic number, because the mean of its divisors is an integer number (10826280).

Almost surely, 2^57620866 is an apocalyptic number.

57620866 is a deficient number, since it is larger than the sum of its proper divisors (28989374).

57620866 is a wasteful number, since it uses less digits than its factorization.

57620866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59648.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 57620866 is about 7590.8409283820. The cubic root of 57620866 is about 386.2423822435.

The spelling of 57620866 in words is "fifty-seven million, six hundred twenty thousand, eight hundred sixty-six".