47748549 has 8 divisors (see below), whose sum is σ = 63696672. Its totient is φ = 31816400.

The previous prime is 47748527. The next prime is 47748553. The reversal of 47748549 is 94584774.

47748549 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 47748549 - 2⁵ = 47748517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47748498 and 47748507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47748509) 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, 9487 + ... + 13619.

It is an arithmetic number, because the mean of its divisors is an integer number (7962084).

Almost surely, 2^47748549 is an apocalyptic number.

It is an amenable number.

47748549 is a deficient number, since it is larger than the sum of its proper divisors (15948123).

47748549 is a wasteful number, since it uses less digits than its factorization.

47748549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987.

The product of its digits is 1128960, while the sum is 48.

The square root of 47748549 is about 6910.0324890698. The cubic root of 47748549 is about 362.7884005348.

The spelling of 47748549 in words is "forty-seven million, seven hundred forty-eight thousand, five hundred forty-nine".