55165154215 has 8 divisors (see below), whose sum is σ = 66199810320. Its totient is φ = 44131039872.

The previous prime is 55165154159. The next prime is 55165154221. The reversal of 55165154215 is 51245156155.

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 55165154215 - 2⁷ = 55165154087 is a prime.

It is a congruent 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, 139216 + ... + 360154.

It is an arithmetic number, because the mean of its divisors is an integer number (8274976290).

Almost surely, 2^55165154215 is an apocalyptic number.

55165154215 is a deficient number, since it is larger than the sum of its proper divisors (11034656105).

55165154215 is a wasteful number, since it uses less digits than its factorization.

55165154215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270881.

The product of its digits is 150000, while the sum is 40.

The spelling of 55165154215 in words is "fifty-five billion, one hundred sixty-five million, one hundred fifty-four thousand, two hundred fifteen".