53565260 has 48 divisors (see below), whose sum is σ = 129428544. Its totient is φ = 18240768.

The previous prime is 53565257. The next prime is 53565263. The reversal of 53565260 is 6256535.

53565260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53565257) and next prime (53565263).

It is not an unprimeable number, because it can be changed into a prime (53565263) 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, 20762 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (2696428).

Almost surely, 2^53565260 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 53565260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64714272).

53565260 is an abundant number, since it is smaller than the sum of its proper divisors (75863284).

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

53565260 is a wasteful number, since it uses less digits than its factorization.

53565260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 53565260 is about 7318.8291413313. The cubic root of 53565260 is about 376.9592509201.

The spelling of 53565260 in words is "fifty-three million, five hundred sixty-five thousand, two hundred sixty".