52897904 has 20 divisors (see below), whose sum is σ = 105796800. Its totient is φ = 25595520.

The previous prime is 52897903. The next prime is 52897909. The reversal of 52897904 is 40979825.

It is a happy number.

52897904 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52897903) 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 3 ways as a sum of consecutive naturals, for example, 52829 + ... + 53820.

It is an arithmetic number, because the mean of its divisors is an integer number (5289840).

Almost surely, 2^52897904 is an apocalyptic number.

It is an amenable number.

52897904 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52897904 is a wasteful number, since it uses less digits than its factorization.

52897904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106688 (or 106682 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 52897904 is about 7273.0945270909. The cubic root of 52897904 is about 375.3872243116.

The spelling of 52897904 in words is "fifty-two million, eight hundred ninety-seven thousand, nine hundred four".