53998339 has 2 divisors, whose sum is σ = 53998340. Its totient is φ = 53998338.

The previous prime is 53998333. The next prime is 53998349. The reversal of 53998339 is 93389935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53998339 - 2¹⁷ = 53867267 is a prime.

It is a super-2 number, since 2×53998339² = 5831641229517842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53998292 and 53998301.

It is not a weakly prime, because it can be changed into another prime (53998333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26999169 + 26999170.

It is an arithmetic number, because the mean of its divisors is an integer number (26999170).

Almost surely, 2^53998339 is an apocalyptic number.

53998339 is a deficient number, since it is larger than the sum of its proper divisors (1).

53998339 is an equidigital number, since it uses as much as digits as its factorization.

53998339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 49.

The square root of 53998339 is about 7348.3562107454. The cubic root of 53998339 is about 377.9724395049.

The spelling of 53998339 in words is "fifty-three million, nine hundred ninety-eight thousand, three hundred thirty-nine".