55500005000005 has 4 divisors (see below), whose sum is σ = 66600006000012. Its totient is φ = 44400004000000.

The previous prime is 55500004999997. The next prime is 55500005000021. The reversal of 55500005000005 is 50000050000555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38989321804449 + 16510683195556 = 6244143^2 + 4063334^2 .

It is not a de Polignac number, because 55500005000005 - 2³ = 55500004999997 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 3 ways as a sum of consecutive naturals, for example, 5550000499996 + ... + 5550000500005.

It is an arithmetic number, because the mean of its divisors is an integer number (16650001500003).

Almost surely, 2^{55500005000005} is an apocalyptic number.

It is an amenable number.

55500005000005 is a deficient number, since it is larger than the sum of its proper divisors (11100001000007).

55500005000005 is a wasteful number, since it uses less digits than its factorization.

55500005000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100001000006.

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 55500005000005 in words is "fifty-five trillion, five hundred billion, five million, five", and thus it is an aban number.