53569249 has 4 divisors (see below), whose sum is σ = 54060820. Its totient is φ = 53077680.

The previous prime is 53569223. The next prime is 53569259. The reversal of 53569249 is 94296535.

53569249 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 13373649 + 40195600 = 3657^2 + 6340^2 .

It is a cyclic number.

It is not a de Polignac number, because 53569249 - 2⁷ = 53569121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53569259) 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, 245622 + ... + 245839.

It is an arithmetic number, because the mean of its divisors is an integer number (13515205).

Almost surely, 2^53569249 is an apocalyptic number.

It is an amenable number.

53569249 is a deficient number, since it is larger than the sum of its proper divisors (491571).

53569249 is a wasteful number, since it uses less digits than its factorization.

53569249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491570.

The product of its digits is 291600, while the sum is 43.

The square root of 53569249 is about 7319.1016525254. The cubic root of 53569249 is about 376.9686080614.

The spelling of 53569249 in words is "fifty-three million, five hundred sixty-nine thousand, two hundred forty-nine".