55006166321 has 8 divisors (see below), whose sum is σ = 55168323840. Its totient is φ = 54844059168.

The previous prime is 55006166287. The next prime is 55006166339. The reversal of 55006166321 is 12366160055.

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 55006166321 - 2¹⁰ = 55006165297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55006166921) 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, 4120760 + ... + 4134086.

It is an arithmetic number, because the mean of its divisors is an integer number (6896040480).

Almost surely, 2^55006166321 is an apocalyptic number.

It is an amenable number.

55006166321 is a deficient number, since it is larger than the sum of its proper divisors (162157519).

55006166321 is a wasteful number, since it uses less digits than its factorization.

55006166321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25183.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 55006166321 in words is "fifty-five billion, six million, one hundred sixty-six thousand, three hundred twenty-one".