47805854 has 4 divisors (see below), whose sum is σ = 71708784. Its totient is φ = 23902926.

The previous prime is 47805839. The next prime is 47805859. The reversal of 47805854 is 45850874.

47805854 is nontrivially palindromic in base 4.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47805859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11951462 + ... + 11951465.

It is an arithmetic number, because the mean of its divisors is an integer number (17927196).

Almost surely, 2^47805854 is an apocalyptic number.

47805854 is a deficient number, since it is larger than the sum of its proper divisors (23902930).

47805854 is a wasteful number, since it uses less digits than its factorization.

47805854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23902929.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 47805854 is about 6914.1777529942. The cubic root of 47805854 is about 362.9334749469.

The spelling of 47805854 in words is "forty-seven million, eight hundred five thousand, eight hundred fifty-four".