53121245 has 16 divisors (see below), whose sum is σ = 67919040. Its totient is φ = 39769344.

The previous prime is 53121227. The next prime is 53121251. The reversal of 53121245 is 54212135.

53121245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53121245 - 2⁸ = 53120989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53121245.

It is a congruent number.

It is an unprimeable number.

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, 4517 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (4244940).

Almost surely, 2^53121245 is an apocalyptic number.

It is an amenable number.

53121245 is a deficient number, since it is larger than the sum of its proper divisors (14797795).

53121245 is a wasteful number, since it uses less digits than its factorization.

53121245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844.

The product of its digits is 1200, while the sum is 23.

The square root of 53121245 is about 7288.4322731298. The cubic root of 53121245 is about 375.9147917865.

The spelling of 53121245 in words is "fifty-three million, one hundred twenty-one thousand, two hundred forty-five".