48671009 has 4 divisors (see below), whose sum is σ = 48794004. Its totient is φ = 48548016.

The previous prime is 48671003. The next prime is 48671033. The reversal of 48671009 is 90017684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11424400 + 37246609 = 3380^2 + 6103^2 .

It is a cyclic number.

It is not a de Polignac number, because 48671009 - 2⁸ = 48670753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48671009.

It is not an unprimeable number, because it can be changed into a prime (48671003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60902 + ... + 61695.

It is an arithmetic number, because the mean of its divisors is an integer number (12198501).

Almost surely, 2^48671009 is an apocalyptic number.

It is an amenable number.

48671009 is a deficient number, since it is larger than the sum of its proper divisors (122995).

48671009 is a wasteful number, since it uses less digits than its factorization.

48671009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122994.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 48671009 is about 6976.4610656120. The cubic root of 48671009 is about 365.1097661986.

The spelling of 48671009 in words is "forty-eight million, six hundred seventy-one thousand, nine".