52565968 has 80 divisors (see below), whose sum is σ = 127214080. Its totient is φ = 20487168.

The previous prime is 52565963. The next prime is 52566001. The reversal of 52565968 is 86956525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52565963) 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, 114796 + ... + 115252.

It is an arithmetic number, because the mean of its divisors is an integer number (1590176).

Almost surely, 2^52565968 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 52565968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63607040).

52565968 is an abundant number, since it is smaller than the sum of its proper divisors (74648112).

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

52565968 is a wasteful number, since it uses less digits than its factorization.

52565968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 558 counting only the distinct ones).

The product of its digits is 648000, while the sum is 46.

The square root of 52565968 is about 7250.2391684689. The cubic root of 52565968 is about 374.6003873476.

The spelling of 52565968 in words is "fifty-two million, five hundred sixty-five thousand, nine hundred sixty-eight".