53843320 has 16 divisors (see below), whose sum is σ = 121147560. Its totient is φ = 21537312.

The previous prime is 53843303. The next prime is 53843323. The reversal of 53843320 is 2334835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53843323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673002 + ... + 673081.

Almost surely, 2^53843320 is an apocalyptic number.

It is an amenable number.

53843320 is an abundant number, since it is smaller than the sum of its proper divisors (67304240).

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

53843320 is a wasteful number, since it uses less digits than its factorization.

53843320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346094 (or 1346090 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 53843320 is about 7337.8007604459. The cubic root of 53843320 is about 377.6103970792.

The spelling of 53843320 in words is "fifty-three million, eight hundred forty-three thousand, three hundred twenty".