47548009 has 2 divisors, whose sum is σ = 47548010. Its totient is φ = 47548008.

The previous prime is 47547991. The next prime is 47548037. The reversal of 47548009 is 90084574.

47548009 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 can be written as a sum of positive squares in only one way, i.e., 43560000 + 3988009 = 6600^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 47548009 - 2⁵ = 47547977 is a prime.

It is not a weakly prime, because it can be changed into another prime (47548409) 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, 23774004 + 23774005.

It is an arithmetic number, because the mean of its divisors is an integer number (23774005).

Almost surely, 2^47548009 is an apocalyptic number.

It is an amenable number.

47548009 is a deficient number, since it is larger than the sum of its proper divisors (1).

47548009 is an equidigital number, since it uses as much as digits as its factorization.

47548009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 47548009 is about 6895.5064353534. The cubic root of 47548009 is about 362.2797939648.

It can be divided in two parts, 475 and 48009, that added together give a palindrome (48484).

The spelling of 47548009 in words is "forty-seven million, five hundred forty-eight thousand, nine".