55285186 has 16 divisors (see below), whose sum is σ = 92572128. Its totient is φ = 24544800.

The previous prime is 55285157. The next prime is 55285189. The reversal of 55285186 is 68158255.

55285186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55285189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28275 + ... + 30166.

It is an arithmetic number, because the mean of its divisors is an integer number (5785758).

Almost surely, 2^55285186 is an apocalyptic number.

55285186 is a deficient number, since it is larger than the sum of its proper divisors (37286942).

55285186 is a wasteful number, since it uses less digits than its factorization.

55285186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58497.

The product of its digits is 96000, while the sum is 40.

The square root of 55285186 is about 7435.4008634370. The cubic root of 55285186 is about 380.9514155596.

The spelling of 55285186 in words is "fifty-five million, two hundred eighty-five thousand, one hundred eighty-six".