455551020 has 48 divisors (see below), whose sum is σ = 1417271520. Its totient is φ = 121480128.

The previous prime is 455551013. The next prime is 455551021. The reversal of 455551020 is 20155554.

455551020 is a `hidden beast` number, since 4 + 5 + 555 + 102 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (455551021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421267 + ... + 422346.

It is an arithmetic number, because the mean of its divisors is an integer number (29526490).

Almost surely, 2^455551020 is an apocalyptic number.

It is an amenable number.

455551020 is an abundant number, since it is smaller than the sum of its proper divisors (961720500).

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

455551020 is a wasteful number, since it uses less digits than its factorization.

455551020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843631 (or 843623 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 455551020 is about 21343.6412076290. The cubic root of 455551020 is about 769.4475263360.

The spelling of 455551020 in words is "four hundred fifty-five million, five hundred fifty-one thousand, twenty".