47854459 has 4 divisors (see below), whose sum is σ = 47898720. Its totient is φ = 47810200.

The previous prime is 47854453. The next prime is 47854481. The reversal of 47854459 is 95445874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95445874 = 2 ⋅47722937.

It is a cyclic number.

It is not a de Polignac number, because 47854459 - 2⁵ = 47854427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47854453) 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, 20467 + ... + 22684.

It is an arithmetic number, because the mean of its divisors is an integer number (11974680).

Almost surely, 2^47854459 is an apocalyptic number.

47854459 is a deficient number, since it is larger than the sum of its proper divisors (44261).

47854459 is a wasteful number, since it uses less digits than its factorization.

47854459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44260.

The product of its digits is 806400, while the sum is 46.

The square root of 47854459 is about 6917.6917393015. The cubic root of 47854459 is about 363.0564334344.

The spelling of 47854459 in words is "forty-seven million, eight hundred fifty-four thousand, four hundred fifty-nine".