55345531750066 has 8 divisors (see below), whose sum is σ = 83057073109164. Its totient is φ = 27659840713680.

The previous prime is 55345531750057. The next prime is 55345531750081. The reversal of 55345531750066 is 66005713554355.

It can be written as a sum of positive squares in 2 ways, for example, as 47431746959041 + 7913784791025 = 6887071^2 + 2813145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55345531749989 and 55345531750016.

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 3 ways as a sum of consecutive naturals, for example, 6462575325 + ... + 6462583888.

Almost surely, 2^{55345531750066} is an apocalyptic number.

55345531750066 is a deficient number, since it is larger than the sum of its proper divisors (27711541359098).

55345531750066 is a wasteful number, since it uses less digits than its factorization.

55345531750066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12925161356.

The product of its (nonzero) digits is 28350000, while the sum is 55.

The spelling of 55345531750066 in words is "fifty-five trillion, three hundred forty-five billion, five hundred thirty-one million, seven hundred fifty thousand, sixty-six".