56216306 has 16 divisors (see below), whose sum is σ = 85449600. Its totient is φ = 27735840.

The previous prime is 56216291. The next prime is 56216311. The reversal of 56216306 is 60361265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54011 + ... + 55041.

It is an arithmetic number, because the mean of its divisors is an integer number (5340600).

Almost surely, 2^56216306 is an apocalyptic number.

56216306 is a deficient number, since it is larger than the sum of its proper divisors (29233294).

56216306 is a wasteful number, since it uses less digits than its factorization.

56216306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56216306 is about 7497.7533968516. The cubic root of 56216306 is about 383.0781971237.

The spelling of 56216306 in words is "fifty-six million, two hundred sixteen thousand, three hundred six".