172684053 has 24 divisors (see below), whose sum is σ = 252532800. Its totient is φ = 113702400.

The previous prime is 172684049. The next prime is 172684097. The reversal of 172684053 is 350486271.

172684053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172684053 - 2² = 172684049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172683999 and 172684017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172684003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384373 + ... + 384821.

It is an arithmetic number, because the mean of its divisors is an integer number (10522200).

Almost surely, 2^172684053 is an apocalyptic number.

It is an amenable number.

172684053 is a deficient number, since it is larger than the sum of its proper divisors (79848747).

172684053 is a wasteful number, since it uses less digits than its factorization.

172684053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 172684053 is about 13140.9304465095. The cubic root of 172684053 is about 556.8660538493.

It can be divided in two parts, 17268 and 4053, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 172684053 in words is "one hundred seventy-two million, six hundred eighty-four thousand, fifty-three".