53135028 has 30 divisors (see below), whose sum is σ = 138906306. Its totient is φ = 17711568.

The previous prime is 53135009. The next prime is 53135029. The reversal of 53135028 is 82053135.

53135028 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 only one way, i.e., 36144144 + 16990884 = 6012^2 + 4122^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 53134992 and 53135010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53135029) 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 9 ways as a sum of consecutive naturals, for example, 81675 + ... + 82322.

Almost surely, 2^53135028 is an apocalyptic number.

It is an amenable number.

53135028 is an abundant number, since it is smaller than the sum of its proper divisors (85771278).

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

53135028 is a wasteful number, since it uses less digits than its factorization.

53135028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164013 (or 164002 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53135028 is about 7289.3777512213. The cubic root of 53135028 is about 375.9473009739.

The spelling of 53135028 in words is "fifty-three million, one hundred thirty-five thousand, twenty-eight".