551268171 has 6 divisors (see below), whose sum is σ = 796276260. Its totient is φ = 367512108.

The previous prime is 551268149. The next prime is 551268181. The reversal of 551268171 is 171862155.

551268171 is a `hidden beast` number, since 551 + 26 + 81 + 7 + 1 = 666.

It is not a de Polignac number, because 551268171 - 2⁵ = 551268139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551268101) 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 in 5 ways as a sum of consecutive naturals, for example, 30626001 + ... + 30626018.

It is an arithmetic number, because the mean of its divisors is an integer number (132712710).

Almost surely, 2^551268171 is an apocalyptic number.

551268171 is a deficient number, since it is larger than the sum of its proper divisors (245008089).

551268171 is a wasteful number, since it uses less digits than its factorization.

551268171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61252025 (or 61252022 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 551268171 is about 23479.1007280943. The cubic root of 551268171 is about 819.9505081174.

The spelling of 551268171 in words is "five hundred fifty-one million, two hundred sixty-eight thousand, one hundred seventy-one".