56180736 has 120 divisors (see below), whose sum is σ = 167767040. Its totient is φ = 18579456.

The previous prime is 56180731. The next prime is 56180741. The reversal of 56180736 is 63708165.

56180736 is a `hidden beast` number, since 5 + 618 + 0 + 7 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (56180731) and next prime (56180741).

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

It is a self number, because there is not a number n which added to its sum of digits gives 56180736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56180731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442305 + ... + 442431.

Almost surely, 2^56180736 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 56180736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83883520).

56180736 is an abundant number, since it is smaller than the sum of its proper divisors (111586304).

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

56180736 is an equidigital number, since it uses as much as digits as its factorization.

56180736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 56180736 is about 7495.3809776422. The cubic root of 56180736 is about 382.9973844713.

The spelling of 56180736 in words is "fifty-six million, one hundred eighty thousand, seven hundred thirty-six".