55055066 has 16 divisors (see below), whose sum is σ = 91022400. Its totient is φ = 24766080.

The previous prime is 55055051. The next prime is 55055071. The reversal of 55055066 is 66055055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10766 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (5688900).

Almost surely, 2^55055066 is an apocalyptic number.

55055066 is a deficient number, since it is larger than the sum of its proper divisors (35967334).

55055066 is a wasteful number, since it uses less digits than its factorization.

55055066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25909.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 55055066 is about 7419.9101072722. The cubic root of 55055066 is about 380.4221209433.

The spelling of 55055066 in words is "fifty-five million, fifty-five thousand, sixty-six".