48933809 has 2 divisors, whose sum is σ = 48933810. Its totient is φ = 48933808.

The previous prime is 48933791. The next prime is 48933821. The reversal of 48933809 is 90833984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31528225 + 17405584 = 5615^2 + 4172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48933809 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48933809.

It is not a weakly prime, because it can be changed into another prime (48936809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24466904 + 24466905.

It is an arithmetic number, because the mean of its divisors is an integer number (24466905).

Almost surely, 2^48933809 is an apocalyptic number.

It is an amenable number.

48933809 is a deficient number, since it is larger than the sum of its proper divisors (1).

48933809 is an equidigital number, since it uses as much as digits as its factorization.

48933809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 48933809 is about 6995.2704736843. The cubic root of 48933809 is about 365.7657259345.

The spelling of 48933809 in words is "forty-eight million, nine hundred thirty-three thousand, eight hundred nine".