53213326 has 16 divisors (see below), whose sum is σ = 83981520. Its totient is φ = 25254720.

The previous prime is 53213323. The next prime is 53213333. The reversal of 53213326 is 62331235.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53213326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5736 + ... + 11803.

It is an arithmetic number, because the mean of its divisors is an integer number (5248845).

Almost surely, 2^53213326 is an apocalyptic number.

53213326 is a deficient number, since it is larger than the sum of its proper divisors (30768194).

53213326 is a wasteful number, since it uses less digits than its factorization.

53213326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17619.

The product of its digits is 3240, while the sum is 25.

The square root of 53213326 is about 7294.7464657793. The cubic root of 53213326 is about 376.1318714673.

The spelling of 53213326 in words is "fifty-three million, two hundred thirteen thousand, three hundred twenty-six".