56424423 has 16 divisors (see below), whose sum is σ = 82244736. Its totient is φ = 34124640.

The previous prime is 56424391. The next prime is 56424427. The reversal of 56424423 is 32442465.

It is not a de Polignac number, because 56424423 - 2⁵ = 56424391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56424427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17061 + ... + 20097.

It is an arithmetic number, because the mean of its divisors is an integer number (5140296).

Almost surely, 2^56424423 is an apocalyptic number.

56424423 is a deficient number, since it is larger than the sum of its proper divisors (25820313).

56424423 is a wasteful number, since it uses less digits than its factorization.

56424423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

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

The square root of 56424423 is about 7511.6191996134. The cubic root of 56424423 is about 383.5503430774.

Adding to 56424423 its reverse (32442465), we get a palindrome (88866888).

The spelling of 56424423 in words is "fifty-six million, four hundred twenty-four thousand, four hundred twenty-three".