53273653 has 4 divisors (see below), whose sum is σ = 53330508. Its totient is φ = 53216800.

The previous prime is 53273651. The next prime is 53273659. The reversal of 53273653 is 35637235.

53273653 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 38962564 + 14311089 = 6242^2 + 3783^2 .

It is a cyclic number.

It is not a de Polignac number, because 53273653 - 2¹ = 53273651 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 (53273651) 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, 26998 + ... + 28903.

It is an arithmetic number, because the mean of its divisors is an integer number (13332627).

Almost surely, 2^53273653 is an apocalyptic number.

It is an amenable number.

53273653 is a deficient number, since it is larger than the sum of its proper divisors (56855).

53273653 is an equidigital number, since it uses as much as digits as its factorization.

53273653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56854.

The product of its digits is 56700, while the sum is 34.

The square root of 53273653 is about 7298.8802565873. The cubic root of 53273653 is about 376.2739557894.

The spelling of 53273653 in words is "fifty-three million, two hundred seventy-three thousand, six hundred fifty-three".