53310513 has 16 divisors (see below), whose sum is σ = 72437120. Its totient is φ = 34867584.

The previous prime is 53310479. The next prime is 53310539. The reversal of 53310513 is 31501335.

It is a happy number.

53310513 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 53310513 - 2⁹ = 53310001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53310513.

It is not an unprimeable number, because it can be changed into a prime (53310553) 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 15 ways as a sum of consecutive naturals, for example, 49620 + ... + 50682.

It is an arithmetic number, because the mean of its divisors is an integer number (4527320).

Almost surely, 2^53310513 is an apocalyptic number.

It is an amenable number.

53310513 is a deficient number, since it is larger than the sum of its proper divisors (19126607).

53310513 is a wasteful number, since it uses less digits than its factorization.

53310513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 53310513 is about 7301.4048648188. The cubic root of 53310513 is about 376.3607170037.

Adding to 53310513 its reverse (31501335), we get a palindrome (84811848).

The spelling of 53310513 in words is "fifty-three million, three hundred ten thousand, five hundred thirteen".