52730653 has 4 divisors (see below), whose sum is σ = 53084700. Its totient is φ = 52376608.

The previous prime is 52730621. The next prime is 52730677. The reversal of 52730653 is 35603725.

52730653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3912484 + 48818169 = 1978^2 + 6987^2 .

It is a cyclic number.

It is not a de Polignac number, because 52730653 - 2⁵ = 52730621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52730693) 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 3 ways as a sum of consecutive naturals, for example, 176800 + ... + 177097.

It is an arithmetic number, because the mean of its divisors is an integer number (13271175).

Almost surely, 2^52730653 is an apocalyptic number.

It is an amenable number.

52730653 is a deficient number, since it is larger than the sum of its proper divisors (354047).

52730653 is a wasteful number, since it uses less digits than its factorization.

52730653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354046.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 52730653 is about 7261.5874986121. The cubic root of 52730653 is about 374.9911772739.

The spelling of 52730653 in words is "fifty-two million, seven hundred thirty thousand, six hundred fifty-three".