53336993 has 2 divisors, whose sum is σ = 53336994. Its totient is φ = 53336992.

The previous prime is 53336981. The next prime is 53336999. The reversal of 53336993 is 39963335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43652449 + 9684544 = 6607^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 53336993 - 2⁸ = 53336737 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53336993.

It is not a weakly prime, because it can be changed into another prime (53336999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26668496 + 26668497.

It is an arithmetic number, because the mean of its divisors is an integer number (26668497).

Almost surely, 2^53336993 is an apocalyptic number.

It is an amenable number.

53336993 is a deficient number, since it is larger than the sum of its proper divisors (1).

53336993 is an equidigital number, since it uses as much as digits as its factorization.

53336993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196830, while the sum is 41.

The square root of 53336993 is about 7303.2179893524. The cubic root of 53336993 is about 376.4230210510.

The spelling of 53336993 in words is "fifty-three million, three hundred thirty-six thousand, nine hundred ninety-three".