56432111 has 4 divisors (see below), whose sum is σ = 56811000. Its totient is φ = 56053224.

The previous prime is 56432107. The next prime is 56432191. The reversal of 56432111 is 11123465.

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

It is a cyclic number.

It is not a de Polignac number, because 56432111 - 2² = 56432107 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 (56432191) 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 3 ways as a sum of consecutive naturals, for example, 189221 + ... + 189518.

It is an arithmetic number, because the mean of its divisors is an integer number (14202750).

Almost surely, 2^56432111 is an apocalyptic number.

56432111 is a deficient number, since it is larger than the sum of its proper divisors (378889).

56432111 is a wasteful number, since it uses less digits than its factorization.

56432111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378888.

The product of its digits is 720, while the sum is 23.

The square root of 56432111 is about 7512.1309227143. The cubic root of 56432111 is about 383.5677622550.

Adding to 56432111 its reverse (11123465), we get a palindrome (67555576).

The spelling of 56432111 in words is "fifty-six million, four hundred thirty-two thousand, one hundred eleven".