47909539 has 8 divisors (see below), whose sum is σ = 49536000. Its totient is φ = 46288200.

The previous prime is 47909527. The next prime is 47909549. The reversal of 47909539 is 93590974.

47909539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47909539 - 2¹⁵ = 47876771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47909549) 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 7 ways as a sum of consecutive naturals, for example, 31212 + ... + 32710.

It is an arithmetic number, because the mean of its divisors is an integer number (6192000).

Almost surely, 2^47909539 is an apocalyptic number.

47909539 is a deficient number, since it is larger than the sum of its proper divisors (1626461).

47909539 is a wasteful number, since it uses less digits than its factorization.

47909539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 47909539 is about 6921.6716911451. The cubic root of 47909539 is about 363.1956714594.

The spelling of 47909539 in words is "forty-seven million, nine hundred nine thousand, five hundred thirty-nine".