55105166510506 has 8 divisors (see below), whose sum is σ = 94465999732320. Its totient is φ = 23616499933068.

The previous prime is 55105166510501. The next prime is 55105166510509. The reversal of 55105166510506 is 60501566150155.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (55105166510501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968041661076 + ... + 1968041661103.

It is an arithmetic number, because the mean of its divisors is an integer number (11808249966540).

Almost surely, 2^{55105166510506} is an apocalyptic number.

55105166510506 is a deficient number, since it is larger than the sum of its proper divisors (39360833221814).

55105166510506 is a wasteful number, since it uses less digits than its factorization.

55105166510506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936083322188.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 55105166510506 in words is "fifty-five trillion, one hundred five billion, one hundred sixty-six million, five hundred ten thousand, five hundred six".