53501652 has 36 divisors (see below), whose sum is σ = 143197236. Its totient is φ = 16784640.

The previous prime is 53501647. The next prime is 53501659. The reversal of 53501652 is 25610535.

53501652 is a `hidden beast` number, since 5 + 3 + 5 + 0 + 1 + 652 = 666.

53501652 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 2 ways, for example, as 41139396 + 12362256 = 6414^2 + 3516^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501659) 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 11 ways as a sum of consecutive naturals, for example, 43099 + ... + 44322.

It is an arithmetic number, because the mean of its divisors is an integer number (3977701).

Almost surely, 2^53501652 is an apocalyptic number.

It is an amenable number.

53501652 is an abundant number, since it is smaller than the sum of its proper divisors (89695584).

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

53501652 is a wasteful number, since it uses less digits than its factorization.

53501652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87448 (or 87443 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 53501652 is about 7314.4823466873. The cubic root of 53501652 is about 376.8099805327.

The spelling of 53501652 in words is "fifty-three million, five hundred one thousand, six hundred fifty-two".