66050051 has 2 divisors, whose sum is σ = 66050052. Its totient is φ = 66050050.

The previous prime is 66050041. The next prime is 66050053. The reversal of 66050051 is 15005066.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66050051 is a prime.

Together with 66050053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 66049999 and 66050026.

It is not a weakly prime, because it can be changed into another prime (66050053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33025025 + 33025026.

It is an arithmetic number, because the mean of its divisors is an integer number (33025026).

Almost surely, 2^66050051 is an apocalyptic number.

66050051 is a deficient number, since it is larger than the sum of its proper divisors (1).

66050051 is an equidigital number, since it uses as much as digits as its factorization.

66050051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 66050051 is about 8127.1182469557. The cubic root of 66050051 is about 404.2261318581.

The spelling of 66050051 in words is "sixty-six million, fifty thousand, fifty-one".