545909760 has 352 divisors, whose sum is σ = 2122329600. Its totient is φ = 131973120.

The previous prime is 545909753. The next prime is 545909773. The reversal of 545909760 is 67909545.

It is a happy number.

545909760 is a `hidden beast` number, since 54 + 590 + 9 + 7 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1520461 + ... + 1520819.

Almost surely, 2^545909760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545909760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061164800).

545909760 is an abundant number, since it is smaller than the sum of its proper divisors (1576419840).

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

545909760 is a wasteful number, since it uses less digits than its factorization.

545909760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 545909760 is about 23364.7118535624. The cubic root of 545909760 is about 817.2851720672.

The spelling of 545909760 in words is "five hundred forty-five million, nine hundred nine thousand, seven hundred sixty".