545155200 has 288 divisors, whose sum is σ = 2032280640. Its totient is φ = 138885120.

The previous prime is 545155199. The next prime is 545155211. The reversal of 545155200 is 2551545.

545155200 is a `hidden beast` number, since 5 + 451 + 5 + 5 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 661989 + ... + 662811.

It is an arithmetic number, because the mean of its divisors is an integer number (7056530).

Almost surely, 2^545155200 is an apocalyptic number.

545155200 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 545155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016140320).

545155200 is an abundant number, since it is smaller than the sum of its proper divisors (1487125440).

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

545155200 is a wasteful number, since it uses less digits than its factorization.

545155200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 856 counting only the distinct ones).

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

The square root of 545155200 is about 23348.5588420356. The cubic root of 545155200 is about 816.9084461598.

The spelling of 545155200 in words is "five hundred forty-five million, one hundred fifty-five thousand, two hundred".