455540 has 12 divisors (see below), whose sum is σ = 956676. Its totient is φ = 182208.

The previous prime is 455537. The next prime is 455557. The reversal of 455540 is 45554.

It can be written as a sum of positive squares in 2 ways, for example, as 300304 + 155236 = 548^2 + 394^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11369 + ... + 11408.

It is an arithmetic number, because the mean of its divisors is an integer number (79723).

2⁴⁵⁵⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

455540 is an abundant number, since it is smaller than the sum of its proper divisors (501136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455540 is a wasteful number, since it uses less digits than its factorization.

455540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22786 (or 22784 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 455540 is about 674.9370341002. The cubic root of 455540 is about 76.9441321850.

The spelling of 455540 in words is "four hundred fifty-five thousand, five hundred forty".