52425432 has 24 divisors (see below), whose sum is σ = 141985740. Its totient is φ = 17475120.

The previous prime is 52425419. The next prime is 52425449. The reversal of 52425432 is 23452425.

It is a happy number.

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52425396 and 52425405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363994 + ... + 364137.

Almost surely, 2^52425432 is an apocalyptic number.

It is an amenable number.

52425432 is an abundant number, since it is smaller than the sum of its proper divisors (89560308).

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

52425432 is a wasteful number, since it uses less digits than its factorization.

52425432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728143 (or 728136 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 52425432 is about 7240.5408637753. The cubic root of 52425432 is about 374.2662559221.

Adding to 52425432 its reverse (23452425), we get a palindrome (75877857).

The spelling of 52425432 in words is "fifty-two million, four hundred twenty-five thousand, four hundred thirty-two".