53309088 has 144 divisors (see below), whose sum is σ = 179053056. Its totient is φ = 14722560.

The previous prime is 53309077. The next prime is 53309089. The reversal of 53309088 is 88090335.

53309088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53309089) 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 23 ways as a sum of consecutive naturals, for example, 62070 + ... + 62922.

It is an arithmetic number, because the mean of its divisors is an integer number (1243424).

Almost surely, 2^53309088 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 53309088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89526528).

53309088 is an abundant number, since it is smaller than the sum of its proper divisors (125743968).

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

53309088 is a wasteful number, since it uses less digits than its factorization.

53309088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 53309088 is about 7301.3072802067. The cubic root of 53309088 is about 376.3573635764.

The spelling of 53309088 in words is "fifty-three million, three hundred nine thousand, eighty-eight".