53715328 has 16 divisors (see below), whose sum is σ = 107011260. Its totient is φ = 26857600.

The previous prime is 53715317. The next prime is 53715329. The reversal of 53715328 is 82351735.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 53715293 and 53715302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53715329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209698 + ... + 209953.

Almost surely, 2^53715328 is an apocalyptic number.

It is an amenable number.

53715328 is a deficient number, since it is larger than the sum of its proper divisors (53295932).

53715328 is an equidigital number, since it uses as much as digits as its factorization.

53715328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419665 (or 419653 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 53715328 is about 7329.0741570815. The cubic root of 53715328 is about 377.3109513487.

The spelling of 53715328 in words is "fifty-three million, seven hundred fifteen thousand, three hundred twenty-eight".