55506165165615 has 8 divisors (see below), whose sum is σ = 88809864265008. Its totient is φ = 29603288088320.

The previous prime is 55506165165497. The next prime is 55506165165631. The reversal of 55506165165615 is 51656156160555.

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

It is not a de Polignac number, because 55506165165615 - 2¹⁶ = 55506165100079 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, 1850205505506 + ... + 1850205505535.

It is an arithmetic number, because the mean of its divisors is an integer number (11101233033126).

Almost surely, 2^{55506165165615} is an apocalyptic number.

55506165165615 is a deficient number, since it is larger than the sum of its proper divisors (33303699099393).

55506165165615 is a wasteful number, since it uses less digits than its factorization.

55506165165615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700411011049.

The product of its (nonzero) digits is 20250000, while the sum is 57.

The spelling of 55506165165615 in words is "fifty-five trillion, five hundred six billion, one hundred sixty-five million, one hundred sixty-five thousand, six hundred fifteen".