545404608 has 336 divisors, whose sum is σ = 1935236160. Its totient is φ = 143327232.

The previous prime is 545404603. The next prime is 545404619. The reversal of 545404608 is 806404545.

545404608 is a `hidden beast` number, since 5 + 4 + 5 + 40 + 4 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (545404603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5003658 + ... + 5003766.

Almost surely, 2^545404608 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 545404608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967618080).

545404608 is an abundant number, since it is smaller than the sum of its proper divisors (1389831552).

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

545404608 is a wasteful number, since it uses less digits than its factorization.

545404608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 545404608 is about 23353.8992033450. The cubic root of 545404608 is about 817.0330054527.

The spelling of 545404608 in words is "five hundred forty-five million, four hundred four thousand, six hundred eight".