47002855 has 4 divisors (see below), whose sum is σ = 56403432. Its totient is φ = 37602280.

The previous prime is 47002829. The next prime is 47002873. The reversal of 47002855 is 55820074.

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

It is not a de Polignac number, because 47002855 - 2⁹ = 47002343 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700281 + ... + 4700290.

It is an arithmetic number, because the mean of its divisors is an integer number (14100858).

Almost surely, 2^47002855 is an apocalyptic number.

47002855 is a deficient number, since it is larger than the sum of its proper divisors (9400577).

47002855 is an equidigital number, since it uses as much as digits as its factorization.

47002855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400576.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 47002855 is about 6855.8628195144. The cubic root of 47002855 is about 360.8899150989.

The spelling of 47002855 in words is "forty-seven million, two thousand, eight hundred fifty-five".