545400000 has 336 divisors, whose sum is σ = 2023932960. Its totient is φ = 144000000.

The previous prime is 545399971. The next prime is 545400041. The reversal of 545400000 is 4545.

It is a happy number.

It is a super-2 number, since 2×545400000² = 594922320000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5399950 + ... + 5400050.

It is an arithmetic number, because the mean of its divisors is an integer number (6023610).

Almost surely, 2^545400000 is an apocalyptic number.

545400000 is a gapful number since it is divisible by the number (50) 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 545400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011966480).

545400000 is an abundant number, since it is smaller than the sum of its proper divisors (1478532960).

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

545400000 is an equidigital number, since it uses as much as digits as its factorization.

545400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 545400000 is about 23353.8005472343. The cubic root of 545400000 is about 817.0307044707.

Adding to 545400000 its reverse (4545), we get a palindrome (545404545).

The spelling of 545400000 in words is "five hundred forty-five million, four hundred thousand".