55500843 has 16 divisors (see below), whose sum is σ = 79557120. Its totient is φ = 34305696.

The previous prime is 55500821. The next prime is 55500859. The reversal of 55500843 is 34800555.

55500843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55500843 - 2⁹ = 55500331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55500843.

It is not an unprimeable number, because it can be changed into a prime (55500803) 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 15 ways as a sum of consecutive naturals, for example, 7680 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (4972320).

Almost surely, 2^55500843 is an apocalyptic number.

55500843 is a deficient number, since it is larger than the sum of its proper divisors (24056277).

55500843 is a wasteful number, since it uses less digits than its factorization.

55500843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20786.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 55500843 is about 7449.8887911163. Note that the first 3 decimals coincide. The cubic root of 55500843 is about 381.4461125588.

The spelling of 55500843 in words is "fifty-five million, five hundred thousand, eight hundred forty-three".