545487404 has 54 divisors (see below), whose sum is σ = 1213820244. Its totient is φ = 212105040.

The previous prime is 545487403. The next prime is 545487407. The reversal of 545487404 is 404784545.

It is not an unprimeable number, because it can be changed into a prime (545487403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1084217 + ... + 1084719.

Almost surely, 2^545487404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545487404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606910122).

545487404 is an abundant number, since it is smaller than the sum of its proper divisors (668332840).

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

545487404 is a wasteful number, since it uses less digits than its factorization.

545487404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 545487404 is about 23355.6717736827. The cubic root of 545487404 is about 817.0743470188.

The spelling of 545487404 in words is "five hundred forty-five million, four hundred eighty-seven thousand, four hundred four".