550171481 has 2 divisors, whose sum is σ = 550171482. Its totient is φ = 550171480.

The previous prime is 550171471. The next prime is 550171511. The reversal of 550171481 is 184171055.

550171481 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., 549433600 + 737881 = 23440^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 550171481 - 2⁶ = 550171417 is a prime.

It is a super-2 number, since 2×550171481² = 605377317011466722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550171421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275085740 + 275085741.

It is an arithmetic number, because the mean of its divisors is an integer number (275085741).

Almost surely, 2^550171481 is an apocalyptic number.

It is an amenable number.

550171481 is a deficient number, since it is larger than the sum of its proper divisors (1).

550171481 is an equidigital number, since it uses as much as digits as its factorization.

550171481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 550171481 is about 23455.7345013965. The cubic root of 550171481 is about 819.4064120744.

The spelling of 550171481 in words is "five hundred fifty million, one hundred seventy-one thousand, four hundred eighty-one".