53439360 has 128 divisors (see below), whose sum is σ = 183526560. Its totient is φ = 13148160.

The previous prime is 53439349. The next prime is 53439361. The reversal of 53439360 is 6393435.

53439360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53439361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23890 + ... + 26030.

Almost surely, 2^53439360 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 53439360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91763280).

53439360 is an abundant number, since it is smaller than the sum of its proper divisors (130087200).

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

53439360 is a wasteful number, since it uses less digits than its factorization.

53439360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 53439360 is about 7310.2229788154. Note that the first 3 decimals coincide. The cubic root of 53439360 is about 376.6636837243.

The spelling of 53439360 in words is "fifty-three million, four hundred thirty-nine thousand, three hundred sixty".