47555985 has 8 divisors (see below), whose sum is σ = 76089600. Its totient is φ = 25363184.

The previous prime is 47555983. The next prime is 47556001. The reversal of 47555985 is 58955574.

It is a happy number.

47555985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47555985 - 2¹ = 47555983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47555983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585185 + ... + 1585214.

It is an arithmetic number, because the mean of its divisors is an integer number (9511200).

Almost surely, 2^47555985 is an apocalyptic number.

It is an amenable number.

47555985 is a deficient number, since it is larger than the sum of its proper divisors (28533615).

47555985 is a wasteful number, since it uses less digits than its factorization.

47555985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170407.

The product of its digits is 1260000, while the sum is 48.

The square root of 47555985 is about 6896.0847587599. The cubic root of 47555985 is about 362.3000498573.

The spelling of 47555985 in words is "forty-seven million, five hundred fifty-five thousand, nine hundred eighty-five".