455551 has 6 divisors (see below), whose sum is σ = 468656. Its totient is φ = 442800.

The previous prime is 455537. The next prime is 455557. The reversal of 455551 is 155554.

It is a de Polignac number, because none of the positive numbers 2^k-455551 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1546 + ... + 1816.

2⁴⁵⁵⁵⁵¹ is an apocalyptic number.

455551 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

455551 is a deficient number, since it is larger than the sum of its proper divisors (13105).

455551 is an equidigital number, since it uses as much as digits as its factorization.

455551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 312 counting only the distinct ones).

The product of its digits is 2500, while the sum is 25.

The square root of 455551 is about 674.9451829593. The cubic root of 455551 is about 76.9447515076.

It can be divided in two parts, 4 and 55551, that added together give a palindrome (55555).

The spelling of 455551 in words is "four hundred fifty-five thousand, five hundred fifty-one".