52171731346 has 16 divisors (see below), whose sum is σ = 89441542080. Its totient is φ = 22358241360.

The previous prime is 52171731329. The next prime is 52171731349. The reversal of 52171731346 is 64313717125.

It is a junction number, because it is equal to n+sod(n) for n = 52171731299 and 52171731308.

It is not an unprimeable number, because it can be changed into a prime (52171731349) 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 7 ways as a sum of consecutive naturals, for example, 260241 + ... + 414811.

It is an arithmetic number, because the mean of its divisors is an integer number (5590096380).

Almost surely, 2^52171731346 is an apocalyptic number.

52171731346 is a deficient number, since it is larger than the sum of its proper divisors (37269810734).

52171731346 is a wasteful number, since it uses less digits than its factorization.

52171731346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178689.

The product of its digits is 105840, while the sum is 40.

The spelling of 52171731346 in words is "fifty-two billion, one hundred seventy-one million, seven hundred thirty-one thousand, three hundred forty-six".