57784441453 has 2 divisors, whose sum is σ = 57784441454. Its totient is φ = 57784441452.

The previous prime is 57784441433. The next prime is 57784441459. The reversal of 57784441453 is 35414448775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54944297604 + 2840143849 = 234402^2 + 53293^2 .

It is a cyclic number.

It is not a de Polignac number, because 57784441453 - 2²⁵ = 57750887021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57784441453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57784441459) 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, 28892220726 + 28892220727.

It is an arithmetic number, because the mean of its divisors is an integer number (28892220727).

Almost surely, 2^57784441453 is an apocalyptic number.

It is an amenable number.

57784441453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57784441453 is an equidigital number, since it uses as much as digits as its factorization.

57784441453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7526400, while the sum is 52.

The spelling of 57784441453 in words is "fifty-seven billion, seven hundred eighty-four million, four hundred forty-one thousand, four hundred fifty-three".