55050000505505 has 8 divisors (see below), whose sum is σ = 66062510547624. Its totient is φ = 44038327110400.

The previous prime is 55050000505469. The next prime is 55050000505553. The reversal of 55050000505505 is 50550500005055.

It can be written as a sum of positive squares in 4 ways, for example, as 32030664670096 + 23019335835409 = 5659564^2 + 4797847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55050000505505 - 2¹⁶ = 55050000439969 is a prime.

It is a super-2 number, since 2×55050000505505² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209016986 + ... + 209280195.

It is an arithmetic number, because the mean of its divisors is an integer number (8257813818453).

Almost surely, 2^{55050000505505} is an apocalyptic number.

It is an amenable number.

55050000505505 is a deficient number, since it is larger than the sum of its proper divisors (11012510042119).

55050000505505 is a wasteful number, since it uses less digits than its factorization.

55050000505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418323507.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55050000505505 in words is "fifty-five trillion, fifty billion, five hundred five thousand, five hundred five".