545818051584 has 440 divisors, whose sum is σ = 1802870080088. Its totient is φ = 163393044480.

The previous prime is 545818051573. The next prime is 545818051627. The reversal of 545818051584 is 485150818545.

It is a happy number.

545818051584 is a `hidden beast` number, since 5 + 4 + 5 + 8 + 1 + 8 + 0 + 51 + 584 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 220644393984 + 325173657600 = 469728^2 + 570240^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 545818051584.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39889224 + ... + 39902904.

Almost surely, 2^545818051584 is an apocalyptic number.

545818051584 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545818051584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901435040044).

545818051584 is an abundant number, since it is smaller than the sum of its proper divisors (1257052028504).

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

545818051584 is a wasteful number, since it uses less digits than its factorization.

545818051584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13763 (or 13736 counting only the distinct ones).

The product of its (nonzero) digits is 5120000, while the sum is 54.

The spelling of 545818051584 in words is "five hundred forty-five billion, eight hundred eighteen million, fifty-one thousand, five hundred eighty-four".