545104420 has 36 divisors (see below), whose sum is σ = 1331614620. Its totient is φ = 186892608.

The previous prime is 545104397. The next prime is 545104451. The reversal of 545104420 is 24401545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136983616 + 408120804 = 11704^2 + 20202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277135 + ... + 279094.

It is an arithmetic number, because the mean of its divisors is an integer number (36989295).

Almost surely, 2^545104420 is an apocalyptic number.

It is an amenable number.

545104420 is an abundant number, since it is smaller than the sum of its proper divisors (786510200).

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

545104420 is a wasteful number, since it uses less digits than its factorization.

545104420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556252 (or 556243 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 545104420 is about 23347.4713834282. The cubic root of 545104420 is about 816.8830809678.

Adding to 545104420 its reverse (24401545), we get a palindrome (569505965).

The spelling of 545104420 in words is "five hundred forty-five million, one hundred four thousand, four hundred twenty".