550653171 has 16 divisors (see below), whose sum is σ = 780804000. Its totient is φ = 343991808.

The previous prime is 550653167. The next prime is 550653197. The reversal of 550653171 is 171356055.

It is not a de Polignac number, because 550653171 - 2² = 550653167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550653071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11896 + ... + 35253.

It is an arithmetic number, because the mean of its divisors is an integer number (48800250).

Almost surely, 2^550653171 is an apocalyptic number.

550653171 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

550653171 is a deficient number, since it is larger than the sum of its proper divisors (230150829).

550653171 is a wasteful number, since it uses less digits than its factorization.

550653171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47398.

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 550653171 is about 23466.0003196114. Note that the first 3 decimals coincide. The cubic root of 550653171 is about 819.6454798039.

The spelling of 550653171 in words is "five hundred fifty million, six hundred fifty-three thousand, one hundred seventy-one".