455551000 has 96 divisors (see below), whose sum is σ = 1096655040. Its totient is φ = 177120000.

The previous prime is 455550967. The next prime is 455551007. The reversal of 455551000 is 155554.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455551007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1680865 + ... + 1681135.

It is an arithmetic number, because the mean of its divisors is an integer number (11423490).

Almost surely, 2^455551000 is an apocalyptic number.

455551000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455551000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548327520).

455551000 is an abundant number, since it is smaller than the sum of its proper divisors (641104040).

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

455551000 is a wasteful number, since it uses less digits than its factorization.

455551000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 319 counting only the distinct ones).

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

The square root of 455551000 is about 21343.6407391054. The cubic root of 455551000 is about 769.4475150757.

It can be divided in two parts, 4555 and 51000, that added together give a palindrome (55555).

The spelling of 455551000 in words is "four hundred fifty-five million, five hundred fifty-one thousand".