53980133 has 2 divisors, whose sum is σ = 53980134. Its totient is φ = 53980132.

The previous prime is 53980123. The next prime is 53980141. The reversal of 53980133 is 33108935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53611684 + 368449 = 7322^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 53980133 - 2¹⁰ = 53979109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53980133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53980123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26990066 + 26990067.

It is an arithmetic number, because the mean of its divisors is an integer number (26990067).

Almost surely, 2^53980133 is an apocalyptic number.

It is an amenable number.

53980133 is a deficient number, since it is larger than the sum of its proper divisors (1).

53980133 is an equidigital number, since it uses as much as digits as its factorization.

53980133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 53980133 is about 7347.1173258633. The cubic root of 53980133 is about 377.9299558540.

The spelling of 53980133 in words is "fifty-three million, nine hundred eighty thousand, one hundred thirty-three".