5171705655 has 16 divisors (see below), whose sum is σ = 8307702144. Its totient is φ = 2747252000.

The previous prime is 5171705653. The next prime is 5171705713. The reversal of 5171705655 is 5565071715.

It is a happy number.

It is not a de Polignac number, because 5171705655 - 2¹ = 5171705653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171705653) 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, 683049 + ... + 690578.

It is an arithmetic number, because the mean of its divisors is an integer number (519231384).

Almost surely, 2^5171705655 is an apocalyptic number.

5171705655 is a deficient number, since it is larger than the sum of its proper divisors (3135996489).

5171705655 is a wasteful number, since it uses less digits than its factorization.

5171705655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373886.

The product of its (nonzero) digits is 183750, while the sum is 42.

The square root of 5171705655 is about 71914.5719239154. The cubic root of 5171705655 is about 1729.3302289977.

The spelling of 5171705655 in words is "five billion, one hundred seventy-one million, seven hundred five thousand, six hundred fifty-five".