550616605541 has 2 divisors, whose sum is σ = 550616605542. Its totient is φ = 550616605540.

The previous prime is 550616605507. The next prime is 550616605573. The reversal of 550616605541 is 145506616055.

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., 312330088225 + 238286517316 = 558865^2 + 488146^2 .

It is a cyclic number.

It is not a de Polignac number, because 550616605541 - 2¹⁸ = 550616343397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550616605492 and 550616605501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550616625541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275308302770 + 275308302771.

It is an arithmetic number, because the mean of its divisors is an integer number (275308302771).

Almost surely, 2^550616605541 is an apocalyptic number.

It is an amenable number.

550616605541 is a deficient number, since it is larger than the sum of its proper divisors (1).

550616605541 is an equidigital number, since it uses as much as digits as its factorization.

550616605541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 550616605541 in words is "five hundred fifty billion, six hundred sixteen million, six hundred five thousand, five hundred forty-one".