53249317 has 10 divisors (see below), whose sum is σ = 58589990. Its totient is φ = 48395160.

The previous prime is 53249311. The next prime is 53249359. The reversal of 53249317 is 71394235.

It can be written as a sum of positive squares in only one way, i.e., 30980356 + 22268961 = 5566^2 + 4719^2 .

It is not a de Polignac number, because 53249317 - 2¹¹ = 53247269 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 (53249311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12823 + ... + 16459.

It is an arithmetic number, because the mean of its divisors is an integer number (5858999).

Almost surely, 2^53249317 is an apocalyptic number.

It is an amenable number.

53249317 is a deficient number, since it is larger than the sum of its proper divisors (5340673).

53249317 is an frugal number, since it uses more digits than its factorization.

53249317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3648 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 53249317 is about 7297.2129611243. The cubic root of 53249317 is about 376.2166516802.

It can be divided in two parts, 5324 and 9317, that added together give a palindrome (14641).

The spelling of 53249317 in words is "fifty-three million, two hundred forty-nine thousand, three hundred seventeen".