56118132 has 108 divisors (see below), whose sum is σ = 170859780. Its totient is φ = 15466752.

The previous prime is 56118131. The next prime is 56118133. The reversal of 56118132 is 23181165.

56118132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56118131) and next prime (56118133).

It can be written as a sum of positive squares in 2 ways, for example, as 22524516 + 33593616 = 4746^2 + 5796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56118096 and 56118105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56118131) 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 35 ways as a sum of consecutive naturals, for example, 50608 + ... + 51704.

It is an arithmetic number, because the mean of its divisors is an integer number (1582035).

Almost surely, 2^56118132 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 56118132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85429890).

56118132 is an abundant number, since it is smaller than the sum of its proper divisors (114741648).

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

56118132 is a wasteful number, since it uses less digits than its factorization.

56118132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1138 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 56118132 is about 7491.2036416053. The cubic root of 56118132 is about 382.8550694973.

Adding to 56118132 its reverse (23181165), we get a palindrome (79299297).

The spelling of 56118132 in words is "fifty-six million, one hundred eighteen thousand, one hundred thirty-two".