504755313617172 has 48 divisors (see below), whose sum is σ = 1179561743360000. Its totient is φ = 167994917347680.

The previous prime is 504755313617171. The next prime is 504755313617183. The reversal of 504755313617172 is 271716313557405.

It is a super-2 number, since 2×504755313617172² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504755313617171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8453829 + ... + 32878227.

Almost surely, 2^{504755313617172} is an apocalyptic number.

It is an amenable number.

504755313617172 is an abundant number, since it is smaller than the sum of its proper divisors (674806429742828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504755313617172 is a wasteful number, since it uses less digits than its factorization.

504755313617172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24427036 (or 24427034 counting only the distinct ones).

The product of its (nonzero) digits is 18522000, while the sum is 57.

The spelling of 504755313617172 in words is "five hundred four trillion, seven hundred fifty-five billion, three hundred thirteen million, six hundred seventeen thousand, one hundred seventy-two".