47453639 has 8 divisors (see below), whose sum is σ = 48665232. Its totient is φ = 46247040.

The previous prime is 47453629. The next prime is 47453671. The reversal of 47453639 is 93635474.

47453639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47453639 - 2²⁰ = 46405063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47453596 and 47453605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47453629) 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, 24569 + ... + 26429.

It is an arithmetic number, because the mean of its divisors is an integer number (6083154).

Almost surely, 2^47453639 is an apocalyptic number.

47453639 is a deficient number, since it is larger than the sum of its proper divisors (1211593).

47453639 is a wasteful number, since it uses less digits than its factorization.

47453639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

The product of its digits is 272160, while the sum is 41.

The square root of 47453639 is about 6888.6601745187. The cubic root of 47453639 is about 362.0399592653.

The spelling of 47453639 in words is "forty-seven million, four hundred fifty-three thousand, six hundred thirty-nine".