52400653 has 4 divisors (see below), whose sum is σ = 52415260. Its totient is φ = 52386048.

The previous prime is 52400611. The next prime is 52400683. The reversal of 52400653 is 35600425.

52400653 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35070084 + 17330569 = 5922^2 + 4163^2 .

It is a cyclic number.

It is not a de Polignac number, because 52400653 - 2²¹ = 50303501 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 (52400683) 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, 2203 + ... + 10471.

It is an arithmetic number, because the mean of its divisors is an integer number (13103815).

Almost surely, 2^52400653 is an apocalyptic number.

It is an amenable number.

52400653 is a deficient number, since it is larger than the sum of its proper divisors (14607).

52400653 is an equidigital number, since it uses as much as digits as its factorization.

52400653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 52400653 is about 7238.8295324590. The cubic root of 52400653 is about 374.2072806963.

The spelling of 52400653 in words is "fifty-two million, four hundred thousand, six hundred fifty-three".