545899104 has 144 divisors (see below), whose sum is σ = 1682592912. Its totient is φ = 167215104.

The previous prime is 545899069. The next prime is 545899129. The reversal of 545899104 is 401998545.

545899104 is a `hidden beast` number, since 5 + 458 + 99 + 104 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 545899104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209232 + ... + 211824.

It is an arithmetic number, because the mean of its divisors is an integer number (11684673).

Almost surely, 2^545899104 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 545899104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841296456).

545899104 is an abundant number, since it is smaller than the sum of its proper divisors (1136693808).

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

545899104 is a wasteful number, since it uses less digits than its factorization.

545899104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 545899104 is about 23364.4838162541. The cubic root of 545899104 is about 817.2798543095.

The spelling of 545899104 in words is "five hundred forty-five million, eight hundred ninety-nine thousand, one hundred four".