53369568 has 144 divisors (see below), whose sum is σ = 181149696. Its totient is φ = 14572800.

The previous prime is 53369549. The next prime is 53369593. The reversal of 53369568 is 86596335.

53369568 is a `hidden beast` number, since 53 + 36 + 9 + 568 = 666.

53369568 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 (144).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 45793 + ... + 46943.

It is an arithmetic number, because the mean of its divisors is an integer number (1257984).

Almost surely, 2^53369568 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 53369568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90574848).

53369568 is an abundant number, since it is smaller than the sum of its proper divisors (127780128).

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

53369568 is a wasteful number, since it uses less digits than its factorization.

53369568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1186 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 53369568 is about 7305.4478302155. The cubic root of 53369568 is about 376.4996375715.

The spelling of 53369568 in words is "fifty-three million, three hundred sixty-nine thousand, five hundred sixty-eight".