57284453 has 2 divisors, whose sum is σ = 57284454. Its totient is φ = 57284452.

The previous prime is 57284443. The next prime is 57284477. The reversal of 57284453 is 35448275.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57259489 + 24964 = 7567^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 57284453 - 2⁶ = 57284389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57284443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28642226 + 28642227.

It is an arithmetic number, because the mean of its divisors is an integer number (28642227).

Almost surely, 2^57284453 is an apocalyptic number.

It is an amenable number.

57284453 is a deficient number, since it is larger than the sum of its proper divisors (1).

57284453 is an equidigital number, since it uses as much as digits as its factorization.

57284453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 38.

The square root of 57284453 is about 7568.6493511062. The cubic root of 57284453 is about 385.4892369269.

The spelling of 57284453 in words is "fifty-seven million, two hundred eighty-four thousand, four hundred fifty-three".