53784834473 has 2 divisors, whose sum is σ = 53784834474. Its totient is φ = 53784834472.

The previous prime is 53784834469. The next prime is 53784834479. The reversal of 53784834473 is 37443848735.

It is a happy number.

53784834473 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., 45961785769 + 7823048704 = 214387^2 + 88448^2 .

It is a cyclic number.

It is not a de Polignac number, because 53784834473 - 2² = 53784834469 is a prime.

It is not a weakly prime, because it can be changed into another prime (53784834479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26892417236 + 26892417237.

It is an arithmetic number, because the mean of its divisors is an integer number (26892417237).

Almost surely, 2^53784834473 is an apocalyptic number.

It is an amenable number.

53784834473 is a deficient number, since it is larger than the sum of its proper divisors (1).

53784834473 is an equidigital number, since it uses as much as digits as its factorization.

53784834473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 56.

The spelling of 53784834473 in words is "fifty-three billion, seven hundred eighty-four million, eight hundred thirty-four thousand, four hundred seventy-three".