47056487 has 2 divisors, whose sum is σ = 47056488. Its totient is φ = 47056486.

The previous prime is 47056463. The next prime is 47056517. The reversal of 47056487 is 78465074.

47056487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47056487 - 2¹⁸ = 46794343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47056417) 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 as a sum of consecutive naturals, namely, 23528243 + 23528244.

It is an arithmetic number, because the mean of its divisors is an integer number (23528244).

Almost surely, 2^47056487 is an apocalyptic number.

47056487 is a deficient number, since it is larger than the sum of its proper divisors (1).

47056487 is an equidigital number, since it uses as much as digits as its factorization.

47056487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 47056487 is about 6859.7731012039. The cubic root of 47056487 is about 361.0271258485.

The spelling of 47056487 in words is "forty-seven million, fifty-six thousand, four hundred eighty-seven".