55505505505 has 8 divisors (see below), whose sum is σ = 70112217600. Its totient is φ = 42067330416.

The previous prime is 55505505491. The next prime is 55505505511. The reversal of 55505505505 is 50550550555.

55505505505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55505505505 - 2⁹ = 55505504993 is a prime.

It is a super-2 number, since 2×55505505505² (a number of 22 digits) contains 22 as substring.

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, 292134145 + ... + 292134334.

It is an arithmetic number, because the mean of its divisors is an integer number (8764027200).

Almost surely, 2^55505505505 is an apocalyptic number.

It is an amenable number.

55505505505 is a deficient number, since it is larger than the sum of its proper divisors (14606712095).

55505505505 is a wasteful number, since it uses less digits than its factorization.

55505505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584268503.

The product of its (nonzero) digits is 390625, while the sum is 40.

It can be divided in two parts, 5550550550 and 5, that added together give a palindrome (5550550555).

The spelling of 55505505505 in words is "fifty-five billion, five hundred five million, five hundred five thousand, five hundred five".