47455232 has 66 divisors (see below), whose sum is σ = 104544384. Its totient is φ = 21514240.

The previous prime is 47455231. The next prime is 47455237. The reversal of 47455232 is 23255474.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47455231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123713 + ... + 124095.

Almost surely, 2^47455232 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 47455232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52272192).

47455232 is an abundant number, since it is smaller than the sum of its proper divisors (57089152).

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

47455232 is a wasteful number, since it uses less digits than its factorization.

47455232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 396 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 47455232 is about 6888.7757983549. The cubic root of 47455232 is about 362.0440103996.

The spelling of 47455232 in words is "forty-seven million, four hundred fifty-five thousand, two hundred thirty-two".