47909541 has 4 divisors (see below), whose sum is σ = 63879392. Its totient is φ = 31939692.

The previous prime is 47909527. The next prime is 47909549. The reversal of 47909541 is 14590974.

47909541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47909541 - 2¹³ = 47901349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47909541.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 7984921 + ... + 7984926.

It is an arithmetic number, because the mean of its divisors is an integer number (15969848).

Almost surely, 2^47909541 is an apocalyptic number.

It is an amenable number.

47909541 is a deficient number, since it is larger than the sum of its proper divisors (15969851).

47909541 is a wasteful number, since it uses less digits than its factorization.

47909541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15969850.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 47909541 is about 6921.6718356189. The cubic root of 47909541 is about 363.1956765133.

The spelling of 47909541 in words is "forty-seven million, nine hundred nine thousand, five hundred forty-one".