56349906 has 16 divisors (see below), whose sum is σ = 113353344. Its totient is φ = 18674384.

The previous prime is 56349901. The next prime is 56349907. The reversal of 56349906 is 60994365.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56349901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26106 + ... + 28181.

It is an arithmetic number, because the mean of its divisors is an integer number (7084584).

Almost surely, 2^56349906 is an apocalyptic number.

56349906 is an abundant number, since it is smaller than the sum of its proper divisors (57003438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56349906 is a wasteful number, since it uses less digits than its factorization.

56349906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54465.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 56349906 is about 7506.6574452282. The cubic root of 56349906 is about 383.3814232463.

The spelling of 56349906 in words is "fifty-six million, three hundred forty-nine thousand, nine hundred six".