55011166 has 8 divisors (see below), whose sum is σ = 94304880. Its totient is φ = 23576208.

The previous prime is 55011163. The next prime is 55011169. The reversal of 55011166 is 66111055.

It is an interprime number because it is at equal distance from previous prime (55011163) and next prime (55011169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55011166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1964671 + ... + 1964698.

It is an arithmetic number, because the mean of its divisors is an integer number (11788110).

Almost surely, 2^55011166 is an apocalyptic number.

55011166 is a deficient number, since it is larger than the sum of its proper divisors (39293714).

55011166 is a wasteful number, since it uses less digits than its factorization.

55011166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929378.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 55011166 is about 7416.9512604574. The cubic root of 55011166 is about 380.3209799512.

The spelling of 55011166 in words is "fifty-five million, eleven thousand, one hundred sixty-six".