48563909 has 2 divisors, whose sum is σ = 48563910. Its totient is φ = 48563908.

The previous prime is 48563891. The next prime is 48563939. The reversal of 48563909 is 90936584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39413284 + 9150625 = 6278^2 + 3025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48563909 is a prime.

It is a Sophie Germain prime.

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 48563909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48563939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24281954 + 24281955.

It is an arithmetic number, because the mean of its divisors is an integer number (24281955).

Almost surely, 2^48563909 is an apocalyptic number.

It is an amenable number.

48563909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48563909 is an equidigital number, since it uses as much as digits as its factorization.

48563909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 48563909 is about 6968.7810268368. The cubic root of 48563909 is about 364.8417628981.

The spelling of 48563909 in words is "forty-eight million, five hundred sixty-three thousand, nine hundred nine".