55505143466 has 8 divisors (see below), whose sum is σ = 83606074560. Its totient is φ = 27636451948.

The previous prime is 55505143451. The next prime is 55505143483. The reversal of 55505143466 is 66434150555.

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

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, 58059296 + ... + 58060251.

It is an arithmetic number, because the mean of its divisors is an integer number (10450759320).

Almost surely, 2^55505143466 is an apocalyptic number.

55505143466 is a deficient number, since it is larger than the sum of its proper divisors (28100931094).

55505143466 is a wasteful number, since it uses less digits than its factorization.

55505143466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116119788.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 55505143466 in words is "fifty-five billion, five hundred five million, one hundred forty-three thousand, four hundred sixty-six".