55500215161 has 8 divisors (see below), whose sum is σ = 55570220640. Its totient is φ = 55430243232.

The previous prime is 55500215143. The next prime is 55500215171. The reversal of 55500215161 is 16151200555.

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 55500215161 - 2¹⁵ = 55500182393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500215171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5162730 + ... + 5173468.

It is an arithmetic number, because the mean of its divisors is an integer number (6946277580).

Almost surely, 2^55500215161 is an apocalyptic number.

It is an amenable number.

55500215161 is a deficient number, since it is larger than the sum of its proper divisors (70005479).

55500215161 is a wasteful number, since it uses less digits than its factorization.

55500215161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16775.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 55500215161 in words is "fifty-five billion, five hundred million, two hundred fifteen thousand, one hundred sixty-one".