545452000 has 96 divisors (see below), whose sum is σ = 1410907680. Its totient is φ = 206668800.

The previous prime is 545451997. The next prime is 545452009. The reversal of 545452000 is 254545.

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 (545452009) 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, 72412 + ... + 79588.

It is an arithmetic number, because the mean of its divisors is an integer number (14696955).

Almost surely, 2^545452000 is an apocalyptic number.

545452000 is a gapful number since it is divisible by the number (50) 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 545452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705453840).

545452000 is an abundant number, since it is smaller than the sum of its proper divisors (865455680).

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

545452000 is a wasteful number, since it uses less digits than its factorization.

545452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221 (or 7203 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 545452000 is about 23354.9138298560. The cubic root of 545452000 is about 817.0566696622.

The spelling of 545452000 in words is "five hundred forty-five million, four hundred fifty-two thousand".