455555 has 8 divisors (see below), whose sum is σ = 550800. Its totient is φ = 361696.

The previous prime is 455537. The next prime is 455557. The reversal of 455555 is 555554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455555 - 2⁶ = 455491 is a prime.

455555 is a modest number, since divided by 555 gives 455 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455557) 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 in 7 ways as a sum of consecutive naturals, for example, 641 + ... + 1149.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2⁴⁵⁵⁵⁵⁵ is an apocalyptic number.

455555 is a deficient number, since it is larger than the sum of its proper divisors (95245).

455555 is a wasteful number, since it uses less digits than its factorization.

455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 12500, while the sum is 29.

The square root of 455555 is about 674.9481461564. The cubic root of 455555 is about 76.9449767133.

Subtracting 455555 from its reverse (555554), we obtain a palindrome (99999).

The spelling of 455555 in words is "four hundred fifty-five thousand, five hundred fifty-five".