47474855 has 4 divisors (see below), whose sum is σ = 56969832. Its totient is φ = 37979880.

The previous prime is 47474837. The next prime is 47474879. The reversal of 47474855 is 55847474.

47474855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47474855 - 2²² = 43280551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4747481 + ... + 4747490.

It is an arithmetic number, because the mean of its divisors is an integer number (14242458).

Almost surely, 2^47474855 is an apocalyptic number.

47474855 is a deficient number, since it is larger than the sum of its proper divisors (9494977).

47474855 is an equidigital number, since it uses as much as digits as its factorization.

47474855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494976.

The product of its digits is 627200, while the sum is 44.

The square root of 47474855 is about 6890.1999245305. The cubic root of 47474855 is about 362.0939059208.

The spelling of 47474855 in words is "forty-seven million, four hundred seventy-four thousand, eight hundred fifty-five".