55016156605 has 8 divisors (see below), whose sum is σ = 66058954200. Its totient is φ = 43986547776.

The previous prime is 55016156593. The next prime is 55016156641. The reversal of 55016156605 is 50665161055.

It can be written as a sum of positive squares in 4 ways, for example, as 378964089 + 54637192516 = 19467^2 + 233746^2 .

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 55016156605 - 2¹⁹ = 55015632317 is a prime.

It is a congruent 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, 3288010 + ... + 3304699.

It is an arithmetic number, because the mean of its divisors is an integer number (8257369275).

Almost surely, 2^55016156605 is an apocalyptic number.

It is an amenable number.

55016156605 is a deficient number, since it is larger than the sum of its proper divisors (11042797595).

55016156605 is a wasteful number, since it uses less digits than its factorization.

55016156605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594383.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 55016156605 in words is "fifty-five billion, sixteen million, one hundred fifty-six thousand, six hundred five".