56424073 has 4 divisors (see below), whose sum is σ = 56783620. Its totient is φ = 56064528.

The previous prime is 56424059. The next prime is 56424079. The reversal of 56424073 is 37042465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5914624 + 50509449 = 2432^2 + 7107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56424073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56424079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179538 + ... + 179851.

It is an arithmetic number, because the mean of its divisors is an integer number (14195905).

Almost surely, 2^56424073 is an apocalyptic number.

It is an amenable number.

56424073 is a deficient number, since it is larger than the sum of its proper divisors (359547).

56424073 is a wasteful number, since it uses less digits than its factorization.

56424073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359546.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 56424073 is about 7511.5959023366. The cubic root of 56424073 is about 383.5495500231.

The spelling of 56424073 in words is "fifty-six million, four hundred twenty-four thousand, seventy-three".