56447603 has 2 divisors, whose sum is σ = 56447604. Its totient is φ = 56447602.

The previous prime is 56447593. The next prime is 56447617. The reversal of 56447603 is 30674465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56447603 - 2⁶ = 56447539 is a prime.

It is not a weakly prime, because it can be changed into another prime (56440603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28223801 + 28223802.

It is an arithmetic number, because the mean of its divisors is an integer number (28223802).

Almost surely, 2^56447603 is an apocalyptic number.

56447603 is a deficient number, since it is larger than the sum of its proper divisors (1).

56447603 is an equidigital number, since it uses as much as digits as its factorization.

56447603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 56447603 is about 7513.1619841449. The cubic root of 56447603 is about 383.6028586329.

The spelling of 56447603 in words is "fifty-six million, four hundred forty-seven thousand, six hundred three".