550108961 has 2 divisors, whose sum is σ = 550108962. Its totient is φ = 550108960.

The previous prime is 550108943. The next prime is 550108991. The reversal of 550108961 is 169801055.

550108961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385140625 + 164968336 = 19625^2 + 12844^2 .

It is a cyclic number.

It is not a de Polignac number, because 550108961 - 2²² = 545914657 is a prime.

It is not a weakly prime, because it can be changed into another prime (550108901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275054480 + 275054481.

It is an arithmetic number, because the mean of its divisors is an integer number (275054481).

Almost surely, 2^550108961 is an apocalyptic number.

It is an amenable number.

550108961 is a deficient number, since it is larger than the sum of its proper divisors (1).

550108961 is an equidigital number, since it uses as much as digits as its factorization.

550108961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 550108961 is about 23454.4017403983. The cubic root of 550108961 is about 819.3753725220.

The spelling of 550108961 in words is "five hundred fifty million, one hundred eight thousand, nine hundred sixty-one".