545361984 has 98 divisors (see below), whose sum is σ = 1622700590. Its totient is φ = 181771776.

The previous prime is 545361983. The next prime is 545362061. The reversal of 545361984 is 489163545.

545361984 is a `hidden beast` number, since 5 + 453 + 6 + 198 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 544195584 + 1166400 = 23328^2 + 1080^2 .

It is not an unprimeable number, because it can be changed into a prime (545361983) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 40812 + ... + 52500.

Almost surely, 2^545361984 is an apocalyptic number.

545361984 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 545361984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811350295).

545361984 is an abundant number, since it is smaller than the sum of its proper divisors (1077338606).

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

545361984 is an equidigital number, since it uses as much as digits as its factorization.

545361984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11719 (or 11694 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 545361984 is about 23352.9866184178. The cubic root of 545361984 is about 817.0117208739.

The spelling of 545361984 in words is "five hundred forty-five million, three hundred sixty-one thousand, nine hundred eighty-four".