56381184 has 90 divisors (see below), whose sum is σ = 168180320. Its totient is φ = 18786816.

The previous prime is 56381183. The next prime is 56381207. The reversal of 56381184 is 48118365.

56381184 is a `hidden beast` number, since 5 + 638 + 1 + 18 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56381183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19377 + ... + 22095.

Almost surely, 2^56381184 is an apocalyptic number.

56381184 is a gapful number since it is divisible by the number (54) 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 56381184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84090160).

56381184 is an abundant number, since it is smaller than the sum of its proper divisors (111799136).

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

56381184 is an equidigital number, since it uses as much as digits as its factorization.

56381184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747 (or 2724 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 56381184 is about 7508.7405069026. The cubic root of 56381184 is about 383.4523443121.

It can be divided in two parts, 56381 and 184, that added together give a palindrome (56565).

The spelling of 56381184 in words is "fifty-six million, three hundred eighty-one thousand, one hundred eighty-four".