47564449 has 2 divisors, whose sum is σ = 47564450. Its totient is φ = 47564448.

The previous prime is 47564411. The next prime is 47564471. The reversal of 47564449 is 94446574.

47564449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33177600 + 14386849 = 5760^2 + 3793^2 .

It is a cyclic number.

It is not a de Polignac number, because 47564449 - 2¹⁷ = 47433377 is a prime.

It is not a weakly prime, because it can be changed into another prime (47564749) 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, 23782224 + 23782225.

It is an arithmetic number, because the mean of its divisors is an integer number (23782225).

Almost surely, 2^47564449 is an apocalyptic number.

It is an amenable number.

47564449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47564449 is an equidigital number, since it uses as much as digits as its factorization.

47564449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The square root of 47564449 is about 6896.6984130089. The cubic root of 47564449 is about 362.3215426005.

The spelling of 47564449 in words is "forty-seven million, five hundred sixty-four thousand, four hundred forty-nine".