55820182 has 16 divisors (see below), whose sum is σ = 91512000. Its totient is φ = 25325640.

The previous prime is 55820159. The next prime is 55820201. The reversal of 55820182 is 28102855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11569 + ... + 15667.

It is an arithmetic number, because the mean of its divisors is an integer number (5719500).

Almost surely, 2^55820182 is an apocalyptic number.

55820182 is a deficient number, since it is larger than the sum of its proper divisors (35691818).

55820182 is a wasteful number, since it uses less digits than its factorization.

55820182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 55820182 is about 7471.2905177084. The cubic root of 55820182 is about 382.1762981088.

The spelling of 55820182 in words is "fifty-five million, eight hundred twenty thousand, one hundred eighty-two".