47550655605569 has 2 divisors, whose sum is σ = 47550655605570. Its totient is φ = 47550655605568.

The previous prime is 47550655605527. The next prime is 47550655605589. The reversal of 47550655605569 is 96550655605574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38633832534544 + 8916823071025 = 6215612^2 + 2986105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47550655605569 is a prime.

It is a super-2 number, since 2×47550655605569² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47550655605499 and 47550655605508.

It is not a weakly prime, because it can be changed into another prime (47550655605589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23775327802784 + 23775327802785.

It is an arithmetic number, because the mean of its divisors is an integer number (23775327802785).

Almost surely, 2^{47550655605569} is an apocalyptic number.

It is an amenable number.

47550655605569 is a deficient number, since it is larger than the sum of its proper divisors (1).

47550655605569 is an equidigital number, since it uses as much as digits as its factorization.

47550655605569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 850500000, while the sum is 68.

The spelling of 47550655605569 in words is "forty-seven trillion, five hundred fifty billion, six hundred fifty-five million, six hundred five thousand, five hundred sixty-nine".