47855232 has 128 divisors (see below), whose sum is σ = 144187200. Its totient is φ = 15621120.

The previous prime is 47855231. The next prime is 47855233. The reversal of 47855232 is 23255874.

47855232 is a `hidden beast` number, since 4 + 78 + 552 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (47855231) and next prime (47855233).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47855231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210703 + ... + 210929.

Almost surely, 2^47855232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47855232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72093600).

47855232 is an abundant number, since it is smaller than the sum of its proper divisors (96331968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47855232 is a wasteful number, since it uses less digits than its factorization.

47855232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 293 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 47855232 is about 6917.7476103136. The cubic root of 47855232 is about 363.0583882582.

The spelling of 47855232 in words is "forty-seven million, eight hundred fifty-five thousand, two hundred thirty-two".