55505505000605 has 16 divisors (see below), whose sum is σ = 72695376289728. Its totient is φ = 40348959840000.

The previous prime is 55505505000557. The next prime is 55505505000611. The reversal of 55505505000605 is 50600050550555.

It is not a de Polignac number, because 55505505000605 - 2¹⁸ = 55505504738461 is a prime.

It is a super-2 number, since 2×55505505000605² (a number of 28 digits) contains 22 as substring.

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, 233382071 + ... + 233619780.

It is an arithmetic number, because the mean of its divisors is an integer number (4543461018108).

Almost surely, 2^{55505505000605} is an apocalyptic number.

55505505000605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55505505000605 is a deficient number, since it is larger than the sum of its proper divisors (17189871289123).

55505505000605 is a wasteful number, since it uses less digits than its factorization.

55505505000605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467004028.

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 55505505000605 in words is "fifty-five trillion, five hundred five billion, five hundred five million, six hundred five", and thus it is an aban number.