172829552 has 40 divisors (see below), whose sum is σ = 385082496. Its totient is φ = 73607616.

The previous prime is 172829543. The next prime is 172829563. The reversal of 172829552 is 255928271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13523 + ... + 22989.

Almost surely, 2^172829552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172829552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192541248).

172829552 is an abundant number, since it is smaller than the sum of its proper divisors (212252944).

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

172829552 is a wasteful number, since it uses less digits than its factorization.

172829552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645 (or 9639 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 172829552 is about 13146.4653804739. The cubic root of 172829552 is about 557.0224101295.

The spelling of 172829552 in words is "one hundred seventy-two million, eight hundred twenty-nine thousand, five hundred fifty-two".