56424243 has 16 divisors (see below), whose sum is σ = 79690880. Its totient is φ = 35411904.

The previous prime is 56424233. The next prime is 56424287. The reversal of 56424243 is 34242465.

It is not a de Polignac number, because 56424243 - 2⁸ = 56423987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56424243.

It is not an unprimeable number, because it can be changed into a prime (56424233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6255 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (4980680).

Almost surely, 2^56424243 is an apocalyptic number.

56424243 is a deficient number, since it is larger than the sum of its proper divisors (23266637).

56424243 is a wasteful number, since it uses less digits than its factorization.

56424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258.

The product of its digits is 23040, while the sum is 30.

The square root of 56424243 is about 7511.6072181658. The cubic root of 56424243 is about 383.5499352213.

The spelling of 56424243 in words is "fifty-six million, four hundred twenty-four thousand, two hundred forty-three".