55666501505054 has 8 divisors (see below), whose sum is σ = 91090638826488. Its totient is φ = 25302955229560.

The previous prime is 55666501504997. The next prime is 55666501505063. The reversal of 55666501505054 is 45050510566655.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55666501504987 and 55666501505005.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1265147761457 + ... + 1265147761500.

It is an arithmetic number, because the mean of its divisors is an integer number (11386329853311).

Almost surely, 2^{55666501505054} is an apocalyptic number.

55666501505054 is a deficient number, since it is larger than the sum of its proper divisors (35424137321434).

55666501505054 is a wasteful number, since it uses less digits than its factorization.

55666501505054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530295522970.

The product of its (nonzero) digits is 13500000, while the sum is 53.

The spelling of 55666501505054 in words is "fifty-five trillion, six hundred sixty-six billion, five hundred one million, five hundred five thousand, fifty-four".