53055243 has 10 divisors (see below), whose sum is σ = 79255484. Its totient is φ = 35370108.

The previous prime is 53055221. The next prime is 53055257. The reversal of 53055243 is 34255035.

53055243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53055243 - 2¹² = 53051147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53055293) 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 9 ways as a sum of consecutive naturals, for example, 327421 + ... + 327582.

Almost surely, 2^53055243 is an apocalyptic number.

53055243 is a deficient number, since it is larger than the sum of its proper divisors (26200241).

53055243 is an equidigital number, since it uses as much as digits as its factorization.

53055243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655015 (or 655006 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53055243 is about 7283.9030059440. The cubic root of 53055243 is about 375.7590385912.

The spelling of 53055243 in words is "fifty-three million, fifty-five thousand, two hundred forty-three".