50555278000217 has 2 divisors, whose sum is σ = 50555278000218. Its totient is φ = 50555278000216.

The previous prime is 50555278000133. The next prime is 50555278000223. The reversal of 50555278000217 is 71200087255505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42551929497856 + 8003348502361 = 6523184^2 + 2829019^2 .

It is a cyclic number.

It is not a de Polignac number, because 50555278000217 - 2²⁴ = 50555261223001 is a prime.

It is a super-2 number, since 2×50555278000217² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50555278000277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277639000108 + 25277639000109.

It is an arithmetic number, because the mean of its divisors is an integer number (25277639000109).

Almost surely, 2^{50555278000217} is an apocalyptic number.

It is an amenable number.

50555278000217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555278000217 is an equidigital number, since it uses as much as digits as its factorization.

50555278000217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980000, while the sum is 47.

The spelling of 50555278000217 in words is "fifty trillion, five hundred fifty-five billion, two hundred seventy-eight million, two hundred seventeen", and thus it is an aban number.