53784402541 has 2 divisors, whose sum is σ = 53784402542. Its totient is φ = 53784402540.

The previous prime is 53784402527. The next prime is 53784402619. The reversal of 53784402541 is 14520448735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39034300041 + 14750102500 = 197571^2 + 121450^2 .

It is a cyclic number.

It is not a de Polignac number, because 53784402541 - 2¹¹ = 53784400493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53784402521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26892201270 + 26892201271.

It is an arithmetic number, because the mean of its divisors is an integer number (26892201271).

Almost surely, 2^53784402541 is an apocalyptic number.

It is an amenable number.

53784402541 is a deficient number, since it is larger than the sum of its proper divisors (1).

53784402541 is an equidigital number, since it uses as much as digits as its factorization.

53784402541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 53784402541 in words is "fifty-three billion, seven hundred eighty-four million, four hundred two thousand, five hundred forty-one".