53725432 has 8 divisors (see below), whose sum is σ = 100735200. Its totient is φ = 26862712.

The previous prime is 53725421. The next prime is 53725433. The reversal of 53725432 is 23452735.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 53725394 and 53725403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53725433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357832 + ... + 3357847.

It is an arithmetic number, because the mean of its divisors is an integer number (12591900).

Almost surely, 2^53725432 is an apocalyptic number.

It is an amenable number.

53725432 is a deficient number, since it is larger than the sum of its proper divisors (47009768).

53725432 is a wasteful number, since it uses less digits than its factorization.

53725432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715685 (or 6715681 counting only the distinct ones).

The product of its digits is 25200, while the sum is 31.

The square root of 53725432 is about 7329.7634341089. The cubic root of 53725432 is about 377.3346076058.

The spelling of 53725432 in words is "fifty-three million, seven hundred twenty-five thousand, four hundred thirty-two".