50550005555449 has 2 divisors, whose sum is σ = 50550005555450. Its totient is φ = 50550005555448.

The previous prime is 50550005555411. The next prime is 50550005555551. The reversal of 50550005555449 is 94455550005505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27811985521849 + 22738020033600 = 5273707^2 + 4768440^2 .

It is a cyclic number.

It is not a de Polignac number, because 50550005555449 - 2⁴³ = 41753912533241 is a prime.

It is a super-3 number, since 3×50550005555449³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50550005555396 and 50550005555405.

It is not a weakly prime, because it can be changed into another prime (50550005555149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275002777724 + 25275002777725.

It is an arithmetic number, because the mean of its divisors is an integer number (25275002777725).

Almost surely, 2^{50550005555449} is an apocalyptic number.

It is an amenable number.

50550005555449 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550005555449 is an equidigital number, since it uses as much as digits as its factorization.

50550005555449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250000, while the sum is 52.

The spelling of 50550005555449 in words is "fifty trillion, five hundred fifty billion, five million, five hundred fifty-five thousand, four hundred forty-nine".