56065611 has 16 divisors (see below), whose sum is σ = 85581824. Its totient is φ = 31981824.

The previous prime is 56065601. The next prime is 56065621. The reversal of 56065611 is 11656065.

It is an interprime number because it is at equal distance from previous prime (56065601) and next prime (56065621).

It is not a de Polignac number, because 56065611 - 2⁵ = 56065579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56065601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12150 + ... + 16116.

It is an arithmetic number, because the mean of its divisors is an integer number (5348864).

Almost surely, 2^56065611 is an apocalyptic number.

56065611 is a deficient number, since it is larger than the sum of its proper divisors (29516213).

56065611 is a wasteful number, since it uses less digits than its factorization.

56065611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56065611 is about 7487.6973095872. The cubic root of 56065611 is about 382.7355941058.

The spelling of 56065611 in words is "fifty-six million, sixty-five thousand, six hundred eleven".