53709360 has 80 divisors (see below), whose sum is σ = 171893760. Its totient is φ = 13858560.

The previous prime is 53709353. The next prime is 53709361. The reversal of 53709360 is 6390735.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53709361) 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, 3831 + ... + 11049.

It is an arithmetic number, because the mean of its divisors is an integer number (2148672).

Almost surely, 2^53709360 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 53709360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85946880).

53709360 is an abundant number, since it is smaller than the sum of its proper divisors (118184400).

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

53709360 is a wasteful number, since it uses less digits than its factorization.

53709360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266 (or 7260 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 53709360 is about 7328.6670002122. The cubic root of 53709360 is about 377.2969772173.

The spelling of 53709360 in words is "fifty-three million, seven hundred nine thousand, three hundred sixty".