545326650 has 144 divisors (see below), whose sum is σ = 1637895168. Its totient is φ = 128928000.

The previous prime is 545326633. The next prime is 545326667. The reversal of 545326650 is 56623545.

It is a happy number.

545326650 is a `hidden beast` number, since 545 + 3 + 2 + 66 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (545326633) and next prime (545326667).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 201607 + ... + 204293.

It is an arithmetic number, because the mean of its divisors is an integer number (11374272).

Almost surely, 2^545326650 is an apocalyptic number.

545326650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545326650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818947584).

545326650 is an abundant number, since it is smaller than the sum of its proper divisors (1092568518).

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

545326650 is a wasteful number, since it uses less digits than its factorization.

545326650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 545326650 is about 23352.2300862252. The cubic root of 545326650 is about 816.9940757645.

The spelling of 545326650 in words is "five hundred forty-five million, three hundred twenty-six thousand, six hundred fifty".