56218032 has 120 divisors (see below), whose sum is σ = 172645200. Its totient is φ = 16971264.

The previous prime is 56218021. The next prime is 56218039. The reversal of 56218032 is 23081265.

56218032 is a `hidden beast` number, since 5 + 621 + 8 + 0 + 32 = 666.

56218032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56217987 and 56218005.

It is not an unprimeable number, because it can be changed into a prime (56218039) 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 23 ways as a sum of consecutive naturals, for example, 110194 + ... + 110702.

It is an arithmetic number, because the mean of its divisors is an integer number (1438710).

Almost surely, 2^56218032 is an apocalyptic number.

56218032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56218032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86322600).

56218032 is an abundant number, since it is smaller than the sum of its proper divisors (116427168).

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

56218032 is a wasteful number, since it uses less digits than its factorization.

56218032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 56218032 is about 7497.8684971130. The cubic root of 56218032 is about 383.0821176125.

Adding to 56218032 its reverse (23081265), we get a palindrome (79299297).

The spelling of 56218032 in words is "fifty-six million, two hundred eighteen thousand, thirty-two".