55566433466555 has 8 divisors (see below), whose sum is σ = 72741512901744. Its totient is φ = 40411951612000.

The previous prime is 55566433466549. The next prime is 55566433466567.

55566433466555 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55566433466555 - 2¹² = 55566433462459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505149395096 + ... + 505149395205.

It is an arithmetic number, because the mean of its divisors is an integer number (9092689112718).

Almost surely, 2^{55566433466555} is an apocalyptic number.

55566433466555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55566433466555 is a deficient number, since it is larger than the sum of its proper divisors (17175079435189).

55566433466555 is a wasteful number, since it uses less digits than its factorization.

55566433466555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010298790317.

The product of its digits is 2916000000, while the sum is 68.

The spelling of 55566433466555 in words is "fifty-five trillion, five hundred sixty-six billion, four hundred thirty-three million, four hundred sixty-six thousand, five hundred fifty-five".