545120000 has 90 divisors (see below), whose sum is σ = 1360102128. Its totient is φ = 217984000.

The previous prime is 545119979. The next prime is 545120003. The reversal of 545120000 is 21545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545120003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 158297 + ... + 161703.

Almost surely, 2^545120000 is an apocalyptic number.

545120000 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 545120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680051064).

545120000 is an abundant number, since it is smaller than the sum of its proper divisors (814982128).

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

545120000 is an frugal number, since it uses more digits than its factorization.

545120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3414 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 545120000 is about 23347.8050360200. The cubic root of 545120000 is about 816.8908635238.

Adding to 545120000 its reverse (21545), we get a palindrome (545141545).

The spelling of 545120000 in words is "five hundred forty-five million, one hundred twenty thousand".