53784817 has 2 divisors, whose sum is σ = 53784818. Its totient is φ = 53784816.

The previous prime is 53784803. The next prime is 53784847. The reversal of 53784817 is 71848735.

53784817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 15046641 = 6224^2 + 3879^2 .

It is a cyclic number.

It is not a de Polignac number, because 53784817 - 2¹¹ = 53782769 is a prime.

It is not a weakly prime, because it can be changed into another prime (53784847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26892408 + 26892409.

It is an arithmetic number, because the mean of its divisors is an integer number (26892409).

Almost surely, 2^53784817 is an apocalyptic number.

It is an amenable number.

53784817 is a deficient number, since it is larger than the sum of its proper divisors (1).

53784817 is an equidigital number, since it uses as much as digits as its factorization.

53784817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 43.

The square root of 53784817 is about 7333.8132645984. The cubic root of 53784817 is about 377.4735843978.

The spelling of 53784817 in words is "fifty-three million, seven hundred eighty-four thousand, eight hundred seventeen".