550101361 has 2 divisors, whose sum is σ = 550101362. Its totient is φ = 550101360.

The previous prime is 550101359. The next prime is 550101403. The reversal of 550101361 is 163101055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490888336 + 59213025 = 22156^2 + 7695^2 .

It is a cyclic number.

It is not a de Polignac number, because 550101361 - 2¹ = 550101359 is a prime.

It is a super-2 number, since 2×550101361² = 605223014748104642, which contains 22 as substring.

Together with 550101359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (550101161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275050680 + 275050681.

It is an arithmetic number, because the mean of its divisors is an integer number (275050681).

Almost surely, 2^550101361 is an apocalyptic number.

It is an amenable number.

550101361 is a deficient number, since it is larger than the sum of its proper divisors (1).

550101361 is an equidigital number, since it uses as much as digits as its factorization.

550101361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 550101361 is about 23454.2397233421. The cubic root of 550101361 is about 819.3715991595.

The spelling of 550101361 in words is "five hundred fifty million, one hundred one thousand, three hundred sixty-one".