66050533 has 2 divisors, whose sum is σ = 66050534. Its totient is φ = 66050532.

The previous prime is 66050527. The next prime is 66050539. The reversal of 66050533 is 33505066.

It is a balanced prime because it is at equal distance from previous prime (66050527) and next prime (66050539).

It can be written as a sum of positive squares in only one way, i.e., 61732449 + 4318084 = 7857^2 + 2078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66050533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66050539) 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, 33025266 + 33025267.

It is an arithmetic number, because the mean of its divisors is an integer number (33025267).

Almost surely, 2^66050533 is an apocalyptic number.

It is an amenable number.

66050533 is a deficient number, since it is larger than the sum of its proper divisors (1).

66050533 is an equidigital number, since it uses as much as digits as its factorization.

66050533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 66050533 is about 8127.1479007091. The cubic root of 66050533 is about 404.2271151353.

Adding to 66050533 its reverse (33505066), we get a palindrome (99555599).

The spelling of 66050533 in words is "sixty-six million, fifty thousand, five hundred thirty-three".