52065904 has 60 divisors (see below), whose sum is σ = 114981480. Its totient is φ = 22624000.

The previous prime is 52065899. The next prime is 52065913. The reversal of 52065904 is 40956025.

52065904 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 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 11 ways as a sum of consecutive naturals, for example, 515454 + ... + 515554.

It is an arithmetic number, because the mean of its divisors is an integer number (1916358).

Almost surely, 2^52065904 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 52065904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57490740).

52065904 is an abundant number, since it is smaller than the sum of its proper divisors (62915576).

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

52065904 is a wasteful number, since it uses less digits than its factorization.

52065904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 52065904 is about 7215.6707241947. The cubic root of 52065904 is about 373.4087333536.

The spelling of 52065904 in words is "fifty-two million, sixty-five thousand, nine hundred four".