455557 has 2 divisors, whose sum is σ = 455558. Its totient is φ = 455556.

The previous prime is 455537. The next prime is 455573. The reversal of 455557 is 755554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349281 + 106276 = 591^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 455557 - 2¹⁵ = 422789 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227778 + 227779.

It is an arithmetic number, because the mean of its divisors is an integer number (227779).

2⁴⁵⁵⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

455557 is a deficient number, since it is larger than the sum of its proper divisors (1).

455557 is an equidigital number, since it uses as much as digits as its factorization.

455557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17500, while the sum is 31.

The square root of 455557 is about 674.9496277501. The cubic root of 455557 is about 76.9450893157.

The spelling of 455557 in words is "four hundred fifty-five thousand, five hundred fifty-seven".