47511132 has 12 divisors (see below), whose sum is σ = 110859336. Its totient is φ = 15837040.

The previous prime is 47511097. The next prime is 47511133. The reversal of 47511132 is 23111574.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47511133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979619 + ... + 1979642.

It is an arithmetic number, because the mean of its divisors is an integer number (9238278).

Almost surely, 2^47511132 is an apocalyptic number.

It is an amenable number.

47511132 is an abundant number, since it is smaller than the sum of its proper divisors (63348204).

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

47511132 is a wasteful number, since it uses less digits than its factorization.

47511132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959268 (or 3959266 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 47511132 is about 6892.8319288954. The cubic root of 47511132 is about 362.1861114772.

The spelling of 47511132 in words is "forty-seven million, five hundred eleven thousand, one hundred thirty-two".