53317528 has 32 divisors (see below), whose sum is σ = 110698560. Its totient is φ = 23870880.

The previous prime is 53317513. The next prime is 53317531. The reversal of 53317528 is 82571335.

It is a junction number, because it is equal to n+sod(n) for n = 53317493 and 53317502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (3459330).

Almost surely, 2^53317528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53317528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55349280).

53317528 is an abundant number, since it is smaller than the sum of its proper divisors (57381032).

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

53317528 is a wasteful number, since it uses less digits than its factorization.

53317528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127 (or 9123 counting only the distinct ones).

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

The square root of 53317528 is about 7301.8852360195. The cubic root of 53317528 is about 376.3772244084.

The spelling of 53317528 in words is "fifty-three million, three hundred seventeen thousand, five hundred twenty-eight".