47155992 has 32 divisors (see below), whose sum is σ = 126959280. Its totient is φ = 14509440.

The previous prime is 47155973. The next prime is 47156017. The reversal of 47155992 is 29955174.

47155992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 75259 + ... + 75882.

Almost surely, 2^47155992 is an apocalyptic number.

It is an amenable number.

47155992 is an abundant number, since it is smaller than the sum of its proper divisors (79803288).

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

47155992 is a wasteful number, since it uses less digits than its factorization.

47155992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151163 (or 151159 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The square root of 47155992 is about 6867.0220620004. The cubic root of 47155992 is about 361.2814210207.

The spelling of 47155992 in words is "forty-seven million, one hundred fifty-five thousand, nine hundred ninety-two".