55450550005 has 4 divisors (see below), whose sum is σ = 66540660012. Its totient is φ = 44360440000.

The previous prime is 55450549997. The next prime is 55450550033. The reversal of 55450550005 is 50005505455.

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 33453507409 + 21997042596 = 182903^2 + 148314^2 .

It is not a de Polignac number, because 55450550005 - 2³ = 55450549997 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, 5545054996 + ... + 5545055005.

It is an arithmetic number, because the mean of its divisors is an integer number (16635165003).

Almost surely, 2^55450550005 is an apocalyptic number.

It is an amenable number.

55450550005 is a deficient number, since it is larger than the sum of its proper divisors (11090110007).

55450550005 is a wasteful number, since it uses less digits than its factorization.

55450550005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090110006.

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 55450550005 in words is "fifty-five billion, four hundred fifty million, five hundred fifty thousand, five".