56106311 has 4 divisors (see below), whose sum is σ = 57916224. Its totient is φ = 54296400.

The previous prime is 56106299. The next prime is 56106331. The reversal of 56106311 is 11360165.

It is a happy number.

56106311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56106311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56106331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904910 + ... + 904971.

It is an arithmetic number, because the mean of its divisors is an integer number (14479056).

Almost surely, 2^56106311 is an apocalyptic number.

56106311 is a deficient number, since it is larger than the sum of its proper divisors (1809913).

56106311 is a wasteful number, since it uses less digits than its factorization.

56106311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809912.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 56106311 is about 7490.4146080174. The cubic root of 56106311 is about 382.8281854498.

Adding to 56106311 its reverse (11360165), we get a palindrome (67466476).

The spelling of 56106311 in words is "fifty-six million, one hundred six thousand, three hundred eleven".