52388648 has 24 divisors (see below), whose sum is σ = 106368750. Its totient is φ = 24178752.

The previous prime is 52388647. The next prime is 52388653. The reversal of 52388648 is 84688325.

52388648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 26399044 + 25989604 = 5138^2 + 5098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52388599 and 52388608.

It is not an unprimeable number, because it can be changed into a prime (52388647) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 18023 + ... + 20726.

Almost surely, 2^52388648 is an apocalyptic number.

It is an amenable number.

52388648 is an abundant number, since it is smaller than the sum of its proper divisors (53980102).

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

52388648 is a wasteful number, since it uses less digits than its factorization.

52388648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38781 (or 38764 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 52388648 is about 7238.0002763194. Note that the first 3 decimals coincide. The cubic root of 52388648 is about 374.1787015263.

The spelling of 52388648 in words is "fifty-two million, three hundred eighty-eight thousand, six hundred forty-eight".