55120571661086 has 8 divisors (see below), whose sum is σ = 82681562596080. Its totient is φ = 27560050795728.

The previous prime is 55120571661053. The next prime is 55120571661143. The reversal of 55120571661086 is 68016617502155.

55120571661086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117224111 + ... + 117693386.

It is an arithmetic number, because the mean of its divisors is an integer number (10335195324510).

Almost surely, 2^{55120571661086} is an apocalyptic number.

55120571661086 is a deficient number, since it is larger than the sum of its proper divisors (27560990934994).

55120571661086 is a wasteful number, since it uses less digits than its factorization.

55120571661086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235034818.

The product of its (nonzero) digits is 3024000, while the sum is 53.

The spelling of 55120571661086 in words is "fifty-five trillion, one hundred twenty billion, five hundred seventy-one million, six hundred sixty-one thousand, eighty-six".