47911459 has 4 divisors (see below), whose sum is σ = 48449880. Its totient is φ = 47373040.

The previous prime is 47911453. The next prime is 47911463. The reversal of 47911459 is 95411974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47911459 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47911453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269077 + ... + 269254.

It is an arithmetic number, because the mean of its divisors is an integer number (12112470).

Almost surely, 2^47911459 is an apocalyptic number.

47911459 is a deficient number, since it is larger than the sum of its proper divisors (538421).

47911459 is an equidigital number, since it uses as much as digits as its factorization.

47911459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538420.

The product of its digits is 45360, while the sum is 40.

The square root of 47911459 is about 6921.8103845743. The cubic root of 47911459 is about 363.2005231472.

The spelling of 47911459 in words is "forty-seven million, nine hundred eleven thousand, four hundred fifty-nine".