55505055055305 has 64 divisors (see below), whose sum is σ = 89667090201600. Its totient is φ = 29317460551680.

The previous prime is 55505055055283. The next prime is 55505055055309. The reversal of 55505055055305 is 50355055050555.

It is not a de Polignac number, because 55505055055305 - 2¹² = 55505055051209 is a prime.

It is a super-2 number, since 2×55505055055305² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55505055055309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1579478035 + ... + 1579513175.

It is an arithmetic number, because the mean of its divisors is an integer number (1401048284400).

Almost surely, 2^{55505055055305} is an apocalyptic number.

It is an amenable number.

55505055055305 is a deficient number, since it is larger than the sum of its proper divisors (34162035146295).

55505055055305 is a wasteful number, since it uses less digits than its factorization.

55505055055305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37074.

The product of its (nonzero) digits is 5859375, while the sum is 48.

The spelling of 55505055055305 in words is "fifty-five trillion, five hundred five billion, fifty-five million, fifty-five thousand, three hundred five".