47115532 has 12 divisors (see below), whose sum is σ = 83379240. Its totient is φ = 23292896.

The previous prime is 47115527. The next prime is 47115547. The reversal of 47115532 is 23551174.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47115532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65818 + ... + 66529.

It is an arithmetic number, because the mean of its divisors is an integer number (6948270).

Almost surely, 2^47115532 is an apocalyptic number.

It is an amenable number.

47115532 is a deficient number, since it is larger than the sum of its proper divisors (36263708).

47115532 is a wasteful number, since it uses less digits than its factorization.

47115532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132440 (or 132438 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 47115532 is about 6864.0754657856. The cubic root of 47115532 is about 361.1780645628.

The spelling of 47115532 in words is "forty-seven million, one hundred fifteen thousand, five hundred thirty-two".