53005536 has 96 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 17089920.

The previous prime is 53005531. The next prime is 53005559. The reversal of 53005536 is 63550035.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005531) 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 15 ways as a sum of consecutive naturals, for example, 25795 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^53005536 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 53005536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79833600).

53005536 is an abundant number, since it is smaller than the sum of its proper divisors (106661664).

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

53005536 is a wasteful number, since it uses less digits than its factorization.

53005536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 53005536 is about 7280.4900933934. The cubic root of 53005536 is about 375.6416534560.

The spelling of 53005536 in words is "fifty-three million, five thousand, five hundred thirty-six".