55065203636550 has 96 divisors (see below), whose sum is σ = 146461411941120. Its totient is φ = 13648733654400.

The previous prime is 55065203636539. The next prime is 55065203636647. The reversal of 55065203636550 is 5563630256055.

It is a junction number, because it is equal to n+sod(n) for n = 55065203636493 and 55065203636502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182123706 + ... + 182425805.

It is an arithmetic number, because the mean of its divisors is an integer number (1525639707720).

Almost surely, 2^{55065203636550} is an apocalyptic number.

55065203636550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55065203636550 is an abundant number, since it is smaller than the sum of its proper divisors (91396208304570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55065203636550 is a wasteful number, since it uses less digits than its factorization.

55065203636550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364549598 (or 364549593 counting only the distinct ones).

The product of its (nonzero) digits is 12150000, while the sum is 51.

The spelling of 55065203636550 in words is "fifty-five trillion, sixty-five billion, two hundred three million, six hundred thirty-six thousand, five hundred fifty".