56604643 has 2 divisors, whose sum is σ = 56604644. Its totient is φ = 56604642.

The previous prime is 56604631. The next prime is 56604649. The reversal of 56604643 is 34640665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56604643 - 2⁹ = 56604131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56604599 and 56604608.

It is not a weakly prime, because it can be changed into another prime (56604649) 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 as a sum of consecutive naturals, namely, 28302321 + 28302322.

It is an arithmetic number, because the mean of its divisors is an integer number (28302322).

Almost surely, 2^56604643 is an apocalyptic number.

56604643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56604643 is an equidigital number, since it uses as much as digits as its factorization.

56604643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 56604643 is about 7523.6057180052. The cubic root of 56604643 is about 383.9582632409.

The spelling of 56604643 in words is "fifty-six million, six hundred four thousand, six hundred forty-three".