56424663 has 12 divisors (see below), whose sum is σ = 81696160. Its totient is φ = 37526976.

The previous prime is 56424617. The next prime is 56424671. The reversal of 56424663 is 36642465.

56424663 is a `hidden beast` number, since 5 + 642 + 4 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 56424663 - 2¹⁴ = 56408279 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 (56424463) 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 11 ways as a sum of consecutive naturals, for example, 3343 + ... + 11136.

Almost surely, 2^56424663 is an apocalyptic number.

56424663 is a deficient number, since it is larger than the sum of its proper divisors (25271497).

56424663 is a wasteful number, since it uses less digits than its factorization.

56424663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918 (or 14915 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 56424663 is about 7511.6351748471. The cubic root of 56424663 is about 383.5508868842.

The spelling of 56424663 in words is "fifty-six million, four hundred twenty-four thousand, six hundred sixty-three".