55605060505 has 8 divisors (see below), whose sum is σ = 67985055432. Its totient is φ = 43644726528.

The previous prime is 55605060493. The next prime is 55605060547. The reversal of 55605060505 is 50506050655.

It can be written as a sum of positive squares in 4 ways, for example, as 14126035609 + 41479024896 = 118853^2 + 203664^2 .

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 55605060505 - 2³¹ = 53457576857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104914944 + ... + 104915473.

It is an arithmetic number, because the mean of its divisors is an integer number (8498131929).

Almost surely, 2^55605060505 is an apocalyptic number.

It is an amenable number.

55605060505 is a deficient number, since it is larger than the sum of its proper divisors (12379994927).

55605060505 is a wasteful number, since it uses less digits than its factorization.

55605060505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209830475.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 55605060505 in words is "fifty-five billion, six hundred five million, sixty thousand, five hundred five".