53998333 has 2 divisors, whose sum is σ = 53998334. Its totient is φ = 53998332.

The previous prime is 53998297. The next prime is 53998339. The reversal of 53998333 is 33389935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46826649 + 7171684 = 6843^2 + 2678^2 .

It is a cyclic number.

It is not a de Polignac number, because 53998333 - 2²¹ = 51901181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53998333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53998339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26999166 + 26999167.

It is an arithmetic number, because the mean of its divisors is an integer number (26999167).

Almost surely, 2^53998333 is an apocalyptic number.

It is an amenable number.

53998333 is a deficient number, since it is larger than the sum of its proper divisors (1).

53998333 is an equidigital number, since it uses as much as digits as its factorization.

53998333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 43.

The square root of 53998333 is about 7348.3558024908. The cubic root of 53998333 is about 377.9724255055.

The spelling of 53998333 in words is "fifty-three million, nine hundred ninety-eight thousand, three hundred thirty-three".