55532011166 has 4 divisors (see below), whose sum is σ = 83298016752. Its totient is φ = 27766005582.

The previous prime is 55532011163. The next prime is 55532011219. The reversal of 55532011166 is 66111023555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66111023555 = 5 ⋅13222204711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55532011163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13883002790 + ... + 13883002793.

It is an arithmetic number, because the mean of its divisors is an integer number (20824504188).

Almost surely, 2^55532011166 is an apocalyptic number.

55532011166 is a deficient number, since it is larger than the sum of its proper divisors (27766005586).

55532011166 is a wasteful number, since it uses less digits than its factorization.

55532011166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27766005585.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 55532011166 in words is "fifty-five billion, five hundred thirty-two million, eleven thousand, one hundred sixty-six".