53040249 has 12 divisors (see below), whose sum is σ = 76716900. Its totient is φ = 35312544.

The previous prime is 53040241. The next prime is 53040257. The reversal of 53040249 is 94204035.

53040249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53040241) and next prime (53040257).

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 34892649 = 4260^2 + 5907^2 .

It is not a de Polignac number, because 53040249 - 2³ = 53040241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53040241) 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 11 ways as a sum of consecutive naturals, for example, 3907 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (6393075).

Almost surely, 2^53040249 is an apocalyptic number.

It is an amenable number.

53040249 is a deficient number, since it is larger than the sum of its proper divisors (23676651).

53040249 is a wasteful number, since it uses less digits than its factorization.

53040249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944 (or 7941 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53040249 is about 7282.8736773337. The cubic root of 53040249 is about 375.7236373657.

The spelling of 53040249 in words is "fifty-three million, forty thousand, two hundred forty-nine".