55051166 has 16 divisors (see below), whose sum is σ = 83524608. Its totient is φ = 27211800.

The previous prime is 55051159. The next prime is 55051201. The reversal of 55051166 is 66115055.

It is a congruent number.

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, 80261 + ... + 80943.

It is an arithmetic number, because the mean of its divisors is an integer number (5220288).

Almost surely, 2^55051166 is an apocalyptic number.

55051166 is a deficient number, since it is larger than the sum of its proper divisors (28473442).

55051166 is a wasteful number, since it uses less digits than its factorization.

55051166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55051166 is about 7419.6472961995. The cubic root of 55051166 is about 380.4131379292.

The spelling of 55051166 in words is "fifty-five million, fifty-one thousand, one hundred sixty-six".