57144646453 has 2 divisors, whose sum is σ = 57144646454. Its totient is φ = 57144646452.

The previous prime is 57144646423. The next prime is 57144646469. The reversal of 57144646453 is 35464644175.

57144646453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44292569764 + 12852076689 = 210458^2 + 113367^2 .

It is a cyclic number.

It is not a de Polignac number, because 57144646453 - 2⁹ = 57144645941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57144646397 and 57144646406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57144646423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28572323226 + 28572323227.

It is an arithmetic number, because the mean of its divisors is an integer number (28572323227).

Almost surely, 2^57144646453 is an apocalyptic number.

It is an amenable number.

57144646453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57144646453 is an equidigital number, since it uses as much as digits as its factorization.

57144646453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 49.

The spelling of 57144646453 in words is "fifty-seven billion, one hundred forty-four million, six hundred forty-six thousand, four hundred fifty-three".