47155632 has 40 divisors (see below), whose sum is σ = 123890880. Its totient is φ = 15451200.

The previous prime is 47155631. The next prime is 47155643. The reversal of 47155632 is 23655174.

47155632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47155593 and 47155602.

It is not an unprimeable number, because it can be changed into a prime (47155631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5494 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (3097272).

Almost surely, 2^47155632 is an apocalyptic number.

It is an amenable number.

47155632 is an abundant number, since it is smaller than the sum of its proper divisors (76735248).

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

47155632 is a wasteful number, since it uses less digits than its factorization.

47155632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16721 (or 16715 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 47155632 is about 6866.9958497148. The cubic root of 47155632 is about 361.2805016490.

The spelling of 47155632 in words is "forty-seven million, one hundred fifty-five thousand, six hundred thirty-two".