56559843 has 8 divisors (see below), whose sum is σ = 83792400. Its totient is φ = 37706544.

The previous prime is 56559823. The next prime is 56559863. The reversal of 56559843 is 34895565.

56559843 is a `hidden beast` number, since 56 + 5 + 598 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (56559823) and next prime (56559863).

It is not a de Polignac number, because 56559843 - 2⁹ = 56559331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56559823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047378 + ... + 1047431.

It is an arithmetic number, because the mean of its divisors is an integer number (10474050).

Almost surely, 2^56559843 is an apocalyptic number.

56559843 is a deficient number, since it is larger than the sum of its proper divisors (27232557).

56559843 is a wasteful number, since it uses less digits than its factorization.

56559843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094818 (or 2094812 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 56559843 is about 7520.6278328342. The cubic root of 56559843 is about 383.8569413392.

The spelling of 56559843 in words is "fifty-six million, five hundred fifty-nine thousand, eight hundred forty-three".