56500447204673 has 2 divisors, whose sum is σ = 56500447204674. Its totient is φ = 56500447204672.

The previous prime is 56500447204637. The next prime is 56500447204703. The reversal of 56500447204673 is 37640274400565.

Together with previous prime (56500447204637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54567059850304 + 1933387354369 = 7386952^2 + 1390463^2 .

It is a cyclic number.

It is not a de Polignac number, because 56500447204673 - 2⁸ = 56500447204417 is a prime.

It is not a weakly prime, because it can be changed into another prime (56500447204603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250223602336 + 28250223602337.

It is an arithmetic number, because the mean of its divisors is an integer number (28250223602337).

Almost surely, 2^{56500447204673} is an apocalyptic number.

It is an amenable number.

56500447204673 is a deficient number, since it is larger than the sum of its proper divisors (1).

56500447204673 is an equidigital number, since it uses as much as digits as its factorization.

56500447204673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 53.

The spelling of 56500447204673 in words is "fifty-six trillion, five hundred billion, four hundred forty-seven million, two hundred four thousand, six hundred seventy-three".