47591845 has 16 divisors (see below), whose sum is σ = 65606400. Its totient is φ = 32465664.

The previous prime is 47591837. The next prime is 47591849. The reversal of 47591845 is 54819574.

47591845 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 47591845 - 2³ = 47591837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47591849) 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 15 ways as a sum of consecutive naturals, for example, 3549 + ... + 10381.

It is an arithmetic number, because the mean of its divisors is an integer number (4100400).

Almost surely, 2^47591845 is an apocalyptic number.

It is an amenable number.

47591845 is a deficient number, since it is larger than the sum of its proper divisors (18014555).

47591845 is a wasteful number, since it uses less digits than its factorization.

47591845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044.

The product of its digits is 201600, while the sum is 43.

The square root of 47591845 is about 6898.6842948493. The cubic root of 47591845 is about 362.3910921349.

The spelling of 47591845 in words is "forty-seven million, five hundred ninety-one thousand, eight hundred forty-five".