56630306 has 4 divisors (see below), whose sum is σ = 84945462. Its totient is φ = 28315152.

The previous prime is 56630303. The next prime is 56630311. The reversal of 56630306 is 60303665.

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., 48874081 + 7756225 = 6991^2 + 2785^2 .

It is not an unprimeable number, because it can be changed into a prime (56630303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14157575 + ... + 14157578.

Almost surely, 2^56630306 is an apocalyptic number.

56630306 is a deficient number, since it is larger than the sum of its proper divisors (28315156).

56630306 is a wasteful number, since it uses less digits than its factorization.

56630306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28315155.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 56630306 is about 7525.3110234727. The cubic root of 56630306 is about 384.0162798726.

The spelling of 56630306 in words is "fifty-six million, six hundred thirty thousand, three hundred six".