55505016506 has 16 divisors (see below), whose sum is σ = 85106630016. Its totient is φ = 27137218656.

The previous prime is 55505016467. The next prime is 55505016527. The reversal of 55505016506 is 60561050555.

It is a self number, because there is not a number n which added to its sum of digits gives 55505016506.

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, 166016 + ... + 372251.

It is an arithmetic number, because the mean of its divisors is an integer number (5319164376).

Almost surely, 2^55505016506 is an apocalyptic number.

55505016506 is a deficient number, since it is larger than the sum of its proper divisors (29601613510).

55505016506 is a wasteful number, since it uses less digits than its factorization.

55505016506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539413.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55505016506 in words is "fifty-five billion, five hundred five million, sixteen thousand, five hundred six".