56320240 has 20 divisors (see below), whose sum is σ = 130944744. Its totient is φ = 22528064.

The previous prime is 56320213. The next prime is 56320247. The reversal of 56320240 is 4202365.

It is a happy number.

56320240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56320247) 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 3 ways as a sum of consecutive naturals, for example, 351922 + ... + 352081.

Almost surely, 2^56320240 is an apocalyptic number.

It is an amenable number.

56320240 is an abundant number, since it is smaller than the sum of its proper divisors (74624504).

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

56320240 is a wasteful number, since it uses less digits than its factorization.

56320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704016 (or 704010 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 56320240 is about 7504.6812057542. The cubic root of 56320240 is about 383.3141330438.

The spelling of 56320240 in words is "fifty-six million, three hundred twenty thousand, two hundred forty".