52319904 has 192 divisors, whose sum is σ = 173746944. Its totient is φ = 13418496.

The previous prime is 52319893. The next prime is 52319921. The reversal of 52319904 is 40991325.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462952 + ... + 463064.

It is an arithmetic number, because the mean of its divisors is an integer number (904932).

Almost surely, 2^52319904 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 52319904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86873472).

52319904 is an abundant number, since it is smaller than the sum of its proper divisors (121427040).

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

52319904 is a wasteful number, since it uses less digits than its factorization.

52319904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 52319904 is about 7233.2498919918. The cubic root of 52319904 is about 374.0149650374.

The spelling of 52319904 in words is "fifty-two million, three hundred nineteen thousand, nine hundred four".