53243316 has 36 divisors (see below), whose sum is σ = 153814752. Its totient is φ = 15212304.

The previous prime is 53243279. The next prime is 53243327. The reversal of 53243316 is 61334235.

It is a happy number.

53243316 is a `hidden beast` number, since 5 + 324 + 331 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53243316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105390 + ... + 105893.

It is an arithmetic number, because the mean of its divisors is an integer number (4272632).

Almost surely, 2^53243316 is an apocalyptic number.

It is an amenable number.

53243316 is an abundant number, since it is smaller than the sum of its proper divisors (100571436).

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

53243316 is a wasteful number, since it uses less digits than its factorization.

53243316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211300 (or 211295 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 53243316 is about 7296.8017651571. The cubic root of 53243316 is about 376.2025184101.

The spelling of 53243316 in words is "fifty-three million, two hundred forty-three thousand, three hundred sixteen".