56183040 has 108 divisors (see below), whose sum is σ = 194427324. Its totient is φ = 14979072.

The previous prime is 56183033. The next prime is 56183041. The reversal of 56183040 is 4038165.

56183040 is a `hidden beast` number, since 5 + 618 + 3 + 0 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 38340864 = 4224^2 + 6192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56182995 and 56183013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56183041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9082 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (1800253).

Almost surely, 2^56183040 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 56183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97213662).

56183040 is an abundant number, since it is smaller than the sum of its proper divisors (138244284).

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

56183040 is a wasteful number, since it uses less digits than its factorization.

56183040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904 (or 4887 counting only the distinct ones).

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

The square root of 56183040 is about 7495.5346707223. The cubic root of 56183040 is about 383.0026200377.

The spelling of 56183040 in words is "fifty-six million, one hundred eighty-three thousand, forty".