5551207171 has 2 divisors, whose sum is σ = 5551207172. Its totient is φ = 5551207170.

The previous prime is 5551207157. The next prime is 5551207201. The reversal of 5551207171 is 1717021555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5551207171 - 2¹⁹ = 5550682883 is a prime.

It is not a weakly prime, because it can be changed into another prime (5551207771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775603585 + 2775603586.

It is an arithmetic number, because the mean of its divisors is an integer number (2775603586).

Almost surely, 2^5551207171 is an apocalyptic number.

5551207171 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551207171 is an equidigital number, since it uses as much as digits as its factorization.

5551207171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12250, while the sum is 34.

The square root of 5551207171 is about 74506.4236895048. The cubic root of 5551207171 is about 1770.6354098815.

The spelling of 5551207171 in words is "five billion, five hundred fifty-one million, two hundred seven thousand, one hundred seventy-one".