55320063103565 has 16 divisors (see below), whose sum is σ = 72198370255536. Its totient is φ = 40447266240000.

The previous prime is 55320063103541. The next prime is 55320063103583. The reversal of 55320063103565 is 56530136002355.

It can be written as a sum of positive squares in 8 ways, for example, as 1846851102121 + 53473212001444 = 1358989^2 + 7312538^2 .

It is not a de Polignac number, because 55320063103565 - 2⁸ = 55320063103309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4213250336 + ... + 4213263465.

It is an arithmetic number, because the mean of its divisors is an integer number (4512398140971).

Almost surely, 2^{55320063103565} is an apocalyptic number.

It is an amenable number.

55320063103565 is a deficient number, since it is larger than the sum of its proper divisors (16878307151971).

55320063103565 is a wasteful number, since it uses less digits than its factorization.

55320063103565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426513920.

The product of its (nonzero) digits is 1215000, while the sum is 44.

The spelling of 55320063103565 in words is "fifty-five trillion, three hundred twenty billion, sixty-three million, one hundred three thousand, five hundred sixty-five".