53429172 has 12 divisors (see below), whose sum is σ = 124668096. Its totient is φ = 17809720.

The previous prime is 53429171. The next prime is 53429179. The reversal of 53429172 is 27192435.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53429171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226204 + ... + 2226227.

It is an arithmetic number, because the mean of its divisors is an integer number (10389008).

Almost surely, 2^53429172 is an apocalyptic number.

It is an amenable number.

53429172 is an abundant number, since it is smaller than the sum of its proper divisors (71238924).

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

53429172 is a wasteful number, since it uses less digits than its factorization.

53429172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452438 (or 4452436 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 53429172 is about 7309.5261132306. The cubic root of 53429172 is about 376.6397457287.

The spelling of 53429172 in words is "fifty-three million, four hundred twenty-nine thousand, one hundred seventy-two".