56608111 has 4 divisors (see below), whose sum is σ = 64694992. Its totient is φ = 48521232.

The previous prime is 56608109. The next prime is 56608117. The reversal of 56608111 is 11180665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11180665 = 5 ⋅2236133.

It is a cyclic number.

It is not a de Polignac number, because 56608111 - 2¹ = 56608109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56608111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56608117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043430 + ... + 4043443.

It is an arithmetic number, because the mean of its divisors is an integer number (16173748).

Almost surely, 2^56608111 is an apocalyptic number.

56608111 is a deficient number, since it is larger than the sum of its proper divisors (8086881).

56608111 is an equidigital number, since it uses as much as digits as its factorization.

56608111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086880.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 56608111 is about 7523.8361890727. The cubic root of 56608111 is about 383.9661044119.

Adding to 56608111 its reverse (11180665), we get a palindrome (67788776).

The spelling of 56608111 in words is "fifty-six million, six hundred eight thousand, one hundred eleven".