48971609 has 8 divisors (see below), whose sum is σ = 50667528. Its totient is φ = 47295360.

The previous prime is 48971579. The next prime is 48971621. The reversal of 48971609 is 90617984.

It can be written as a sum of positive squares in 4 ways, for example, as 3705625 + 45265984 = 1925^2 + 6728^2 .

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 48971609 - 2⁸ = 48971353 is a prime.

It is a super-3 number, since 3×48971609³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48971609.

It is not an unprimeable number, because it can be changed into a prime (48971009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (6333441).

Almost surely, 2^48971609 is an apocalyptic number.

It is an amenable number.

48971609 is a deficient number, since it is larger than the sum of its proper divisors (1695919).

48971609 is a wasteful number, since it uses less digits than its factorization.

48971609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 48971609 is about 6997.9717775938. The cubic root of 48971609 is about 365.8598829615.

The spelling of 48971609 in words is "forty-eight million, nine hundred seventy-one thousand, six hundred nine".