47805485 has 32 divisors (see below), whose sum is σ = 73059840. Its totient is φ = 29207808.

The previous prime is 47805481. The next prime is 47805487. The reversal of 47805485 is 58450874.

It is not a de Polignac number, because 47805485 - 2² = 47805481 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47805481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11384 + ... + 15006.

It is an arithmetic number, because the mean of its divisors is an integer number (2283120).

Almost surely, 2^47805485 is an apocalyptic number.

It is an amenable number.

47805485 is a deficient number, since it is larger than the sum of its proper divisors (25254355).

47805485 is a wasteful number, since it uses less digits than its factorization.

47805485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677.

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

The square root of 47805485 is about 6914.1510686418. The cubic root of 47805485 is about 362.9325411505.

The spelling of 47805485 in words is "forty-seven million, eight hundred five thousand, four hundred eighty-five".