53705028 has 24 divisors (see below), whose sum is σ = 134951488. Its totient is φ = 16524576.

The previous prime is 53705021. The next prime is 53705083. The reversal of 53705028 is 82050735.

It is a happy number.

53705028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53704986 and 53705004.

It is not an unprimeable number, because it can be changed into a prime (53705021) 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 7 ways as a sum of consecutive naturals, for example, 171976 + ... + 172287.

Almost surely, 2^53705028 is an apocalyptic number.

It is an amenable number.

53705028 is an abundant number, since it is smaller than the sum of its proper divisors (81246460).

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

53705028 is a wasteful number, since it uses less digits than its factorization.

53705028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344283 (or 344281 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 53705028 is about 7328.3714425512. The cubic root of 53705028 is about 377.2868331477.

The spelling of 53705028 in words is "fifty-three million, seven hundred five thousand, twenty-eight".