48900209 has 2 divisors, whose sum is σ = 48900210. Its totient is φ = 48900208.

The previous prime is 48900179. The next prime is 48900221. The reversal of 48900209 is 90200984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37149025 + 11751184 = 6095^2 + 3428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48900209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48900259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24450104 + 24450105.

It is an arithmetic number, because the mean of its divisors is an integer number (24450105).

Almost surely, 2^48900209 is an apocalyptic number.

It is an amenable number.

48900209 is a deficient number, since it is larger than the sum of its proper divisors (1).

48900209 is an equidigital number, since it uses as much as digits as its factorization.

48900209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 48900209 is about 6992.8684386309. The cubic root of 48900209 is about 365.6819900840.

The spelling of 48900209 in words is "forty-eight million, nine hundred thousand, two hundred nine".