47153438 has 4 divisors (see below), whose sum is σ = 70730160. Its totient is φ = 23576718.

The previous prime is 47153437. The next prime is 47153453. The reversal of 47153438 is 83435174.

47153438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83435174 = 2 ⋅41717587.

It is a junction number, because it is equal to n+sod(n) for n = 47153398 and 47153407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47153437) 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 as a sum of consecutive naturals, namely, 11788358 + ... + 11788361.

It is an arithmetic number, because the mean of its divisors is an integer number (17682540).

Almost surely, 2^47153438 is an apocalyptic number.

47153438 is a deficient number, since it is larger than the sum of its proper divisors (23576722).

47153438 is a wasteful number, since it uses less digits than its factorization.

47153438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23576721.

The product of its digits is 40320, while the sum is 35.

The square root of 47153438 is about 6866.8360982333. The cubic root of 47153438 is about 361.2748984886.

The spelling of 47153438 in words is "forty-seven million, one hundred fifty-three thousand, four hundred thirty-eight".