53105752 has 16 divisors (see below), whose sum is σ = 113798160. Its totient is φ = 22759584.

The previous prime is 53105743. The next prime is 53105753. The reversal of 53105752 is 25750135.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 53105752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53105753) 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 3 ways as a sum of consecutive naturals, for example, 474103 + ... + 474214.

It is an arithmetic number, because the mean of its divisors is an integer number (7112385).

Almost surely, 2^53105752 is an apocalyptic number.

It is an amenable number.

53105752 is an abundant number, since it is smaller than the sum of its proper divisors (60692408).

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

53105752 is a wasteful number, since it uses less digits than its factorization.

53105752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948330 (or 948326 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 53105752 is about 7287.3693470278. The cubic root of 53105752 is about 375.8782426045.

Adding to 53105752 its reverse (25750135), we get a palindrome (78855887).

The spelling of 53105752 in words is "fifty-three million, one hundred five thousand, seven hundred fifty-two".