5571202171 has 4 divisors (see below), whose sum is σ = 5586721200. Its totient is φ = 5555683144.

The previous prime is 5571202129. The next prime is 5571202177. The reversal of 5571202171 is 1712021755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5571202171 is a prime.

It is a super-2 number, since 2×5571202171² = 62076587260310226482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5571202177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7758976 + ... + 7759693.

It is an arithmetic number, because the mean of its divisors is an integer number (1396680300).

Almost surely, 2^5571202171 is an apocalyptic number.

5571202171 is a deficient number, since it is larger than the sum of its proper divisors (15519029).

5571202171 is a wasteful number, since it uses less digits than its factorization.

5571202171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15519028.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 5571202171 is about 74640.4861385562. The cubic root of 5571202171 is about 1772.7587578016.

The spelling of 5571202171 in words is "five billion, five hundred seventy-one million, two hundred two thousand, one hundred seventy-one".