55505106165515 has 8 divisors (see below), whose sum is σ = 66940831557600. Its totient is φ = 44180948826432.

The previous prime is 55505106165473. The next prime is 55505106165517. The reversal of 55505106165515 is 51556160150555.

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 55505106165515 - 2¹⁴ = 55505106149131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55505106165517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27892012154 + ... + 27892014143.

It is an arithmetic number, because the mean of its divisors is an integer number (8367603944700).

Almost surely, 2^{55505106165515} is an apocalyptic number.

55505106165515 is a deficient number, since it is larger than the sum of its proper divisors (11435725392085).

55505106165515 is a wasteful number, since it uses less digits than its factorization.

55505106165515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55784026501.

The product of its (nonzero) digits is 2812500, while the sum is 50.

The spelling of 55505106165515 in words is "fifty-five trillion, five hundred five billion, one hundred six million, one hundred sixty-five thousand, five hundred fifteen".