53183813 has 2 divisors, whose sum is σ = 53183814. Its totient is φ = 53183812.

The previous prime is 53183807. The next prime is 53183891. The reversal of 53183813 is 31838135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35736484 + 17447329 = 5978^2 + 4177^2 .

It is a cyclic number.

It is not a de Polignac number, because 53183813 - 2⁶ = 53183749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53183813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53183113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26591906 + 26591907.

It is an arithmetic number, because the mean of its divisors is an integer number (26591907).

Almost surely, 2^53183813 is an apocalyptic number.

It is an amenable number.

53183813 is a deficient number, since it is larger than the sum of its proper divisors (1).

53183813 is an equidigital number, since it uses as much as digits as its factorization.

53183813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 53183813 is about 7292.7232910621. The cubic root of 53183813 is about 376.0623222672.

The spelling of 53183813 in words is "fifty-three million, one hundred eighty-three thousand, eight hundred thirteen".