66050053 has 2 divisors, whose sum is σ = 66050054. Its totient is φ = 66050052.

The previous prime is 66050051. The next prime is 66050059. The reversal of 66050053 is 35005066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 15824484 = 7087^2 + 3978^2 .

It is a cyclic number.

It is not a de Polignac number, because 66050053 - 2¹ = 66050051 is a prime.

Together with 66050051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66050051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33025026 + 33025027.

It is an arithmetic number, because the mean of its divisors is an integer number (33025027).

Almost surely, 2^66050053 is an apocalyptic number.

It is an amenable number.

66050053 is a deficient number, since it is larger than the sum of its proper divisors (1).

66050053 is an equidigital number, since it uses as much as digits as its factorization.

66050053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 66050053 is about 8127.1183700005. The cubic root of 66050053 is about 404.2261359381.

The spelling of 66050053 in words is "sixty-six million, fifty thousand, fifty-three".