48158609 has 4 divisors (see below), whose sum is σ = 49067316. Its totient is φ = 47249904.

The previous prime is 48158599. The next prime is 48158633. The reversal of 48158609 is 90685184.

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 14227984 + 33930625 = 3772^2 + 5825^2 .

It is a cyclic number.

It is not a de Polignac number, because 48158609 - 2⁸ = 48158353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48158659) 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, 454274 + ... + 454379.

It is an arithmetic number, because the mean of its divisors is an integer number (12266829).

Almost surely, 2^48158609 is an apocalyptic number.

It is an amenable number.

48158609 is a deficient number, since it is larger than the sum of its proper divisors (908707).

48158609 is an equidigital number, since it uses as much as digits as its factorization.

48158609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908706.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 48158609 is about 6939.6404085514. The cubic root of 48158609 is about 363.8239724698.

The spelling of 48158609 in words is "forty-eight million, one hundred fifty-eight thousand, six hundred nine".