55500000005 has 4 divisors (see below), whose sum is σ = 66600000012. Its totient is φ = 44400000000.

The previous prime is 55499999969. The next prime is 55500000043. The reversal of 55500000005 is 50000000555.

It is a happy number.

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 21856369921 + 33643630084 = 147839^2 + 183422^2 .

It is not a de Polignac number, because 55500000005 - 2⁶ = 55499999941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5549999996 + ... + 5550000005.

It is an arithmetic number, because the mean of its divisors is an integer number (16650000003).

Almost surely, 2^55500000005 is an apocalyptic number.

It is an amenable number.

55500000005 is a deficient number, since it is larger than the sum of its proper divisors (11100000007).

55500000005 is a wasteful number, since it uses less digits than its factorization.

55500000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100000006.

The product of its (nonzero) digits is 625, while the sum is 20.

The spelling of 55500000005 in words is "fifty-five billion, five hundred million, five", and thus it is an aban number.