56659198 has 8 divisors (see below), whose sum is σ = 89988192. Its totient is φ = 26663136.

The previous prime is 56659193. The next prime is 56659219. The reversal of 56659198 is 89195665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56659193) 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, 833190 + ... + 833257.

It is an arithmetic number, because the mean of its divisors is an integer number (11248524).

Almost surely, 2^56659198 is an apocalyptic number.

56659198 is a deficient number, since it is larger than the sum of its proper divisors (33328994).

56659198 is a wasteful number, since it uses less digits than its factorization.

56659198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666466.

The product of its digits is 583200, while the sum is 49.

The square root of 56659198 is about 7527.2304335659. The cubic root of 56659198 is about 384.0815753703.

The spelling of 56659198 in words is "fifty-six million, six hundred fifty-nine thousand, one hundred ninety-eight".