56111232 has 64 divisors (see below), whose sum is σ = 152265600. Its totient is φ = 18299904.

The previous prime is 56111213. The next prime is 56111233. The reversal of 56111232 is 23211165.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 56111199 and 56111208.

It is not an unprimeable number, because it can be changed into a prime (56111233) 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, 16494 + ... + 19602.

It is an arithmetic number, because the mean of its divisors is an integer number (2379150).

Almost surely, 2^56111232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76132800).

56111232 is an abundant number, since it is smaller than the sum of its proper divisors (96154368).

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

56111232 is a wasteful number, since it uses less digits than its factorization.

56111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3161 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 56111232 is about 7490.7430873045. The cubic root of 56111232 is about 382.8393775503.

Adding to 56111232 its reverse (23211165), we get a palindrome (79322397).

The spelling of 56111232 in words is "fifty-six million, one hundred eleven thousand, two hundred thirty-two".