57056453 has 2 divisors, whose sum is σ = 57056454. Its totient is φ = 57056452.

The previous prime is 57056431. The next prime is 57056473. The reversal of 57056453 is 35465075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43270084 + 13786369 = 6578^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 57056453 - 2¹⁰ = 57055429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57056423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28528226 + 28528227.

It is an arithmetic number, because the mean of its divisors is an integer number (28528227).

Almost surely, 2^57056453 is an apocalyptic number.

It is an amenable number.

57056453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57056453 is an equidigital number, since it uses as much as digits as its factorization.

57056453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 57056453 is about 7553.5722012833. The cubic root of 57056453 is about 384.9771235072.

The spelling of 57056453 in words is "fifty-seven million, fifty-six thousand, four hundred fifty-three".