47805489 has 12 divisors (see below), whose sum is σ = 69123600. Its totient is φ = 31837464.

The previous prime is 47805487. The next prime is 47805509. The reversal of 47805489 is 98450874.

47805489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47805489 - 2¹ = 47805487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47805481) 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 in 11 ways as a sum of consecutive naturals, for example, 9222 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (5760300).

Almost surely, 2^47805489 is an apocalyptic number.

It is an amenable number.

47805489 is a deficient number, since it is larger than the sum of its proper divisors (21318111).

47805489 is a wasteful number, since it uses less digits than its factorization.

47805489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 47805489 is about 6914.1513579036. The cubic root of 47805489 is about 362.9325512730.

The spelling of 47805489 in words is "forty-seven million, eight hundred five thousand, four hundred eighty-nine".