53265888 has 144 divisors (see below), whose sum is σ = 167587056. Its totient is φ = 15943680.

The previous prime is 53265881. The next prime is 53265917. The reversal of 53265888 is 88856235.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53265881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153331 + ... + 153677.

It is an arithmetic number, because the mean of its divisors is an integer number (1163799).

Almost surely, 2^53265888 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 53265888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83793528).

53265888 is an abundant number, since it is smaller than the sum of its proper divisors (114321168).

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

53265888 is a wasteful number, since it uses less digits than its factorization.

53265888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 406 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 53265888 is about 7298.3483062951. The cubic root of 53265888 is about 376.2556733986.

The spelling of 53265888 in words is "fifty-three million, two hundred sixty-five thousand, eight hundred eighty-eight".