48043309 has 8 divisors (see below), whose sum is σ = 51037560. Its totient is φ = 45067776.

The previous prime is 48043301. The next prime is 48043313. The reversal of 48043309 is 90334084.

It can be written as a sum of positive squares in 4 ways, for example, as 13527684 + 34515625 = 3678^2 + 5875^2 .

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 48043309 - 2³ = 48043301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48043301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (6379695).

Almost surely, 2^48043309 is an apocalyptic number.

It is an amenable number.

48043309 is a deficient number, since it is larger than the sum of its proper divisors (2994251).

48043309 is a wasteful number, since it uses less digits than its factorization.

48043309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 48043309 is about 6931.3280834195. The cubic root of 48043309 is about 363.5333880369.

The spelling of 48043309 in words is "forty-eight million, forty-three thousand, three hundred nine".