545749280 has 24 divisors (see below), whose sum is σ = 1289333052. Its totient is φ = 218299648.

The previous prime is 545749279. The next prime is 545749307. The reversal of 545749280 is 82947545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 519657616 + 26091664 = 22796^2 + 5108^2 .

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 3 ways as a sum of consecutive naturals, for example, 1705307 + ... + 1705626.

Almost surely, 2^545749280 is an apocalyptic number.

It is an amenable number.

545749280 is an abundant number, since it is smaller than the sum of its proper divisors (743583772).

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

545749280 is a wasteful number, since it uses less digits than its factorization.

545749280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410948 (or 3410940 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 545749280 is about 23361.2773623362. The cubic root of 545749280 is about 817.2050789894.

The spelling of 545749280 in words is "five hundred forty-five million, seven hundred forty-nine thousand, two hundred eighty".