50566803256447 has 2 divisors, whose sum is σ = 50566803256448. Its totient is φ = 50566803256446.

The previous prime is 50566803256441. The next prime is 50566803256537. The reversal of 50566803256447 is 74465230866505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50566803256447 - 2³ = 50566803256439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50566803256441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25283401628223 + 25283401628224.

It is an arithmetic number, because the mean of its divisors is an integer number (25283401628224).

Almost surely, 2^{50566803256447} is an apocalyptic number.

50566803256447 is a deficient number, since it is larger than the sum of its proper divisors (1).

50566803256447 is an equidigital number, since it uses as much as digits as its factorization.

50566803256447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152000, while the sum is 61.

The spelling of 50566803256447 in words is "fifty trillion, five hundred sixty-six billion, eight hundred three million, two hundred fifty-six thousand, four hundred forty-seven".