53303316 has 48 divisors (see below), whose sum is σ = 138851328. Its totient is φ = 15775200.

The previous prime is 53303309. The next prime is 53303317. The reversal of 53303316 is 61330335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (2892736).

Almost surely, 2^53303316 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 53303316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69425664).

53303316 is an abundant number, since it is smaller than the sum of its proper divisors (85548012).

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

53303316 is a wasteful number, since it uses less digits than its factorization.

53303316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9452 (or 9450 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 24.

The square root of 53303316 is about 7300.9119978260. The cubic root of 53303316 is about 376.3437798193.

It can be divided in two parts, 5330 and 3316, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 53303316 in words is "fifty-three million, three hundred three thousand, three hundred sixteen".