53408288 has 48 divisors (see below), whose sum is σ = 114960384. Its totient is φ = 24314880.

The previous prime is 53408287. The next prime is 53408317. The reversal of 53408288 is 88280435.

It is not an unprimeable number, because it can be changed into a prime (53408287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15281 + ... + 18447.

It is an arithmetic number, because the mean of its divisors is an integer number (2395008).

Almost surely, 2^53408288 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 53408288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57480192).

53408288 is an abundant number, since it is smaller than the sum of its proper divisors (61552096).

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

53408288 is a wasteful number, since it uses less digits than its factorization.

53408288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 53408288 is about 7308.0974268273. The cubic root of 53408288 is about 376.5906666132.

The spelling of 53408288 in words is "fifty-three million, four hundred eight thousand, two hundred eighty-eight".