56647603 has 2 divisors, whose sum is σ = 56647604. Its totient is φ = 56647602.

The previous prime is 56647601. The next prime is 56647637. The reversal of 56647603 is 30674665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56647603 - 2¹ = 56647601 is a prime.

Together with 56647601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56647601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28323801 + 28323802.

It is an arithmetic number, because the mean of its divisors is an integer number (28323802).

Almost surely, 2^56647603 is an apocalyptic number.

56647603 is a deficient number, since it is larger than the sum of its proper divisors (1).

56647603 is an equidigital number, since it uses as much as digits as its factorization.

56647603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 56647603 is about 7526.4601905544. The cubic root of 56647603 is about 384.0553735070.

The spelling of 56647603 in words is "fifty-six million, six hundred forty-seven thousand, six hundred three".