53568918 has 64 divisors (see below), whose sum is σ = 129366720. Its totient is φ = 16333056.

The previous prime is 53568917. The next prime is 53568937. The reversal of 53568918 is 81986535.

53568918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53568917) 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 31 ways as a sum of consecutive naturals, for example, 95896 + ... + 96452.

It is an arithmetic number, because the mean of its divisors is an integer number (2021355).

Almost surely, 2^53568918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53568918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64683360).

53568918 is an abundant number, since it is smaller than the sum of its proper divisors (75797802).

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

53568918 is a wasteful number, since it uses less digits than its factorization.

53568918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 712 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 53568918 is about 7319.0790404258. The cubic root of 53568918 is about 376.9678316404.

The spelling of 53568918 in words is "fifty-three million, five hundred sixty-eight thousand, nine hundred eighteen".