47955830 has 32 divisors (see below), whose sum is σ = 93943584. Its totient is φ = 17519616.

The previous prime is 47955779. The next prime is 47955833. The reversal of 47955830 is 3855974.

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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47955833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10709 + ... + 14511.

It is an arithmetic number, because the mean of its divisors is an integer number (2935737).

Almost surely, 2^47955830 is an apocalyptic number.

47955830 is a deficient number, since it is larger than the sum of its proper divisors (45987754).

47955830 is a wasteful number, since it uses less digits than its factorization.

47955830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 47955830 is about 6925.0148014282. The cubic root of 47955830 is about 363.3126090546.

The spelling of 47955830 in words is "forty-seven million, nine hundred fifty-five thousand, eight hundred thirty".