56240313 has 16 divisors (see below), whose sum is σ = 78503040. Its totient is φ = 35746304.

The previous prime is 56240311. The next prime is 56240321. The reversal of 56240313 is 31304265.

It is a happy number.

56240313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56240313 - 2¹ = 56240311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56240311) 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 15 ways as a sum of consecutive naturals, for example, 23203 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (4906440).

Almost surely, 2^56240313 is an apocalyptic number.

It is an amenable number.

56240313 is a deficient number, since it is larger than the sum of its proper divisors (22262727).

56240313 is a wasteful number, since it uses less digits than its factorization.

56240313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 56240313 is about 7499.3541721938. The cubic root of 56240313 is about 383.1327201504.

Adding to 56240313 its reverse (31304265), we get a palindrome (87544578).

The spelling of 56240313 in words is "fifty-six million, two hundred forty thousand, three hundred thirteen".