47045851 has 8 divisors (see below), whose sum is σ = 50024304. Its totient is φ = 44090880.

The previous prime is 47045849. The next prime is 47045897. The reversal of 47045851 is 15854074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47045851 - 2¹ = 47045849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47045651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645 + ... + 9838.

It is an arithmetic number, because the mean of its divisors is an integer number (6253038).

Almost surely, 2^47045851 is an apocalyptic number.

47045851 is a deficient number, since it is larger than the sum of its proper divisors (2978453).

47045851 is a wasteful number, since it uses less digits than its factorization.

47045851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11741.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 47045851 is about 6858.9978130919. The cubic root of 47045851 is about 360.9999232664. Note that the first 4 decimals are identical.

The spelling of 47045851 in words is "forty-seven million, forty-five thousand, eight hundred fifty-one".