172053688 has 32 divisors (see below), whose sum is σ = 332715600. Its totient is φ = 83369728.

The previous prime is 172053647. The next prime is 172053701. The reversal of 172053688 is 886350271.

It is a self number, because there is not a number n which added to its sum of digits gives 172053688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32748 + ... + 37636.

Almost surely, 2^172053688 is an apocalyptic number.

It is an amenable number.

172053688 is a deficient number, since it is larger than the sum of its proper divisors (160661912).

172053688 is a wasteful number, since it uses less digits than its factorization.

172053688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 172053688 is about 13116.9237247153. The cubic root of 172053688 is about 556.1876339960.

The spelling of 172053688 in words is "one hundred seventy-two million, fifty-three thousand, six hundred eighty-eight".