47805055 has 4 divisors (see below), whose sum is σ = 57366072. Its totient is φ = 38244040.

The previous prime is 47805049. The next prime is 47805061. The reversal of 47805055 is 55050874.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47805049) and next prime (47805061).

It is not a de Polignac number, because 47805055 - 2³ = 47805047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47805055.

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 3 ways as a sum of consecutive naturals, for example, 4780501 + ... + 4780510.

It is an arithmetic number, because the mean of its divisors is an integer number (14341518).

Almost surely, 2^47805055 is an apocalyptic number.

47805055 is a deficient number, since it is larger than the sum of its proper divisors (9561017).

47805055 is an equidigital number, since it uses as much as digits as its factorization.

47805055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561016.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 47805055 is about 6914.1199729250. The cubic root of 47805055 is about 362.9314529807.

The spelling of 47805055 in words is "forty-seven million, eight hundred five thousand, fifty-five".