52173432 has 24 divisors (see below), whose sum is σ = 141303240. Its totient is φ = 17391120.

The previous prime is 52173421. The next prime is 52173437. The reversal of 52173432 is 23437125.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 52173396 and 52173405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52173437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362244 + ... + 362387.

It is an arithmetic number, because the mean of its divisors is an integer number (5887635).

Almost surely, 2^52173432 is an apocalyptic number.

It is an amenable number.

52173432 is an abundant number, since it is smaller than the sum of its proper divisors (89129808).

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

52173432 is a wasteful number, since it uses less digits than its factorization.

52173432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724643 (or 724636 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 52173432 is about 7223.1178863424. The cubic root of 52173432 is about 373.6656147412.

It can be divided in two parts, 5217 and 3432, that added together give a square (8649 = 93²).

The spelling of 52173432 in words is "fifty-two million, one hundred seventy-three thousand, four hundred thirty-two".