52115904 has 84 divisors (see below), whose sum is σ = 150531576. Its totient is φ = 17238528.

The previous prime is 52115893. The next prime is 52115909. The reversal of 52115904 is 40951125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99387 + ... + 99909.

Almost surely, 2^52115904 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 52115904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75265788).

52115904 is an abundant number, since it is smaller than the sum of its proper divisors (98415672).

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

52115904 is a wasteful number, since it uses less digits than its factorization.

52115904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 52115904 is about 7219.1345741716. The cubic root of 52115904 is about 373.5282259062.

The spelling of 52115904 in words is "fifty-two million, one hundred fifteen thousand, nine hundred four".