517550066 has 16 divisors (see below), whose sum is σ = 876104640. Its totient is φ = 227137680.

The previous prime is 517550051. The next prime is 517550113. The reversal of 517550066 is 660055715.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 404966 + ... + 406241.

It is an arithmetic number, because the mean of its divisors is an integer number (54756540).

Almost surely, 2^517550066 is an apocalyptic number.

517550066 is a deficient number, since it is larger than the sum of its proper divisors (358554574).

517550066 is a wasteful number, since it uses less digits than its factorization.

517550066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811249.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 517550066 is about 22749.7267236334. The cubic root of 517550066 is about 802.8802769358.

The spelling of 517550066 in words is "five hundred seventeen million, five hundred fifty thousand, sixty-six".