53245243 has 8 divisors (see below), whose sum is σ = 54159840. Its totient is φ = 52335360.

The previous prime is 53245237. The next prime is 53245271. The reversal of 53245243 is 34254235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53245243 - 2²¹ = 51148091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53245273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27243 + ... + 29131.

It is an arithmetic number, because the mean of its divisors is an integer number (6769980).

Almost surely, 2^53245243 is an apocalyptic number.

53245243 is a deficient number, since it is larger than the sum of its proper divisors (914597).

53245243 is a wasteful number, since it uses less digits than its factorization.

53245243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357.

The product of its digits is 14400, while the sum is 28.

The square root of 53245243 is about 7296.9338081142. The cubic root of 53245243 is about 376.2070569047.

Adding to 53245243 its reverse (34254235), we get a palindrome (87499478).

The spelling of 53245243 in words is "fifty-three million, two hundred forty-five thousand, two hundred forty-three".