47531532 has 24 divisors (see below), whose sum is σ = 113905456. Its totient is φ = 15415488.

The previous prime is 47531531. The next prime is 47531537. The reversal of 47531532 is 23513574.

It is a self number, because there is not a number n which added to its sum of digits gives 47531532.

It is not an unprimeable number, because it can be changed into a prime (47531531) 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 7 ways as a sum of consecutive naturals, for example, 53083 + ... + 53970.

Almost surely, 2^47531532 is an apocalyptic number.

It is an amenable number.

47531532 is an abundant number, since it is smaller than the sum of its proper divisors (66373924).

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

47531532 is a wasteful number, since it uses less digits than its factorization.

47531532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107097 (or 107095 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 47531532 is about 6894.3115682423. The cubic root of 47531532 is about 362.2379417124.

The spelling of 47531532 in words is "forty-seven million, five hundred thirty-one thousand, five hundred thirty-two".