56240399 has 8 divisors (see below), whose sum is σ = 59306880. Its totient is φ = 53184600.

The previous prime is 56240381. The next prime is 56240413. The reversal of 56240399 is 99304265.

56240399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56240399 - 2¹⁶ = 56174863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56240329) 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 7 ways as a sum of consecutive naturals, for example, 9644 + ... + 14334.

It is an arithmetic number, because the mean of its divisors is an integer number (7413360).

Almost surely, 2^56240399 is an apocalyptic number.

56240399 is a deficient number, since it is larger than the sum of its proper divisors (3066481).

56240399 is a wasteful number, since it uses less digits than its factorization.

56240399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 56240399 is about 7499.3599060186. The cubic root of 56240399 is about 383.1329154398.

The spelling of 56240399 in words is "fifty-six million, two hundred forty thousand, three hundred ninety-nine".