53121362 has 32 divisors (see below), whose sum is σ = 98029440. Its totient is φ = 21070080.

The previous prime is 53121361. The next prime is 53121391. The reversal of 53121362 is 26312135.

It is not an unprimeable number, because it can be changed into a prime (53121361) 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 15 ways as a sum of consecutive naturals, for example, 12689 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (3063420).

Almost surely, 2^53121362 is an apocalyptic number.

53121362 is a deficient number, since it is larger than the sum of its proper divisors (44908078).

53121362 is a wasteful number, since it uses less digits than its factorization.

53121362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746.

The product of its digits is 1080, while the sum is 23.

The square root of 53121362 is about 7288.4402995428. The cubic root of 53121362 is about 375.9150677715.

Adding to 53121362 its reverse (26312135), we get a palindrome (79433497).

The spelling of 53121362 in words is "fifty-three million, one hundred twenty-one thousand, three hundred sixty-two".