48263209 has 4 divisors (see below), whose sum is σ = 48326740. Its totient is φ = 48199680.

The previous prime is 48263179. The next prime is 48263251. The reversal of 48263209 is 90236284.

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 11539609 + 36723600 = 3397^2 + 6060^2 .

It is a cyclic number.

It is not a de Polignac number, because 48263209 - 2¹⁹ = 47738921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48263309) 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, 30612 + ... + 32149.

It is an arithmetic number, because the mean of its divisors is an integer number (12081685).

Almost surely, 2^48263209 is an apocalyptic number.

It is an amenable number.

48263209 is a deficient number, since it is larger than the sum of its proper divisors (63531).

48263209 is an equidigital number, since it uses as much as digits as its factorization.

48263209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63530.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 48263209 is about 6947.1727342855. The cubic root of 48263209 is about 364.0871892937.

The spelling of 48263209 in words is "forty-eight million, two hundred sixty-three thousand, two hundred nine".