47546989 has 8 divisors (see below), whose sum is σ = 55365120. Its totient is φ = 39985296.

The previous prime is 47546953. The next prime is 47547007. The reversal of 47546989 is 98964574.

It is a happy number.

47546989 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 47546989 - 2¹¹ = 47544941 is a prime.

It is a super-2 number, since 2×47546989² = 4521432325932242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47546489) 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, 63709 + ... + 64450.

It is an arithmetic number, because the mean of its divisors is an integer number (6920640).

Almost surely, 2^47546989 is an apocalyptic number.

It is an amenable number.

47546989 is a deficient number, since it is larger than the sum of its proper divisors (7818131).

47546989 is a wasteful number, since it uses less digits than its factorization.

47546989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128219.

The product of its digits is 2177280, while the sum is 52.

The square root of 47546989 is about 6895.4324737467. The cubic root of 47546989 is about 362.2772034039.

The spelling of 47546989 in words is "forty-seven million, five hundred forty-six thousand, nine hundred eighty-nine".