56303040 has 112 divisors (see below), whose sum is σ = 180246528. Its totient is φ = 14889984.

The previous prime is 56303021. The next prime is 56303059. The reversal of 56303040 is 4030365.

56303040 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 (56303021) and next prime (56303059).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 56302998 and 56303016.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 213949 + ... + 214211.

It is an arithmetic number, because the mean of its divisors is an integer number (1609344).

Almost surely, 2^56303040 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 56303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90123264).

56303040 is an abundant number, since it is smaller than the sum of its proper divisors (123943488).

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

56303040 is a wasteful number, since it uses less digits than its factorization.

56303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 56303040 is about 7503.5351668397. The cubic root of 56303040 is about 383.2751081487.

The spelling of 56303040 in words is "fifty-six million, three hundred three thousand, forty".