554004020 has 12 divisors (see below), whose sum is σ = 1163408484. Its totient is φ = 221601600.

The previous prime is 554003999. The next prime is 554004037. The reversal of 554004020 is 20400455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89946256 + 464057764 = 9484^2 + 21542^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 27700201 = 554004020 / (5 + 5 + 4 + 0 + 0 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 554003983 and 554004001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13850081 + ... + 13850120.

It is an arithmetic number, because the mean of its divisors is an integer number (96950707).

Almost surely, 2^554004020 is an apocalyptic number.

It is an amenable number.

554004020 is an abundant number, since it is smaller than the sum of its proper divisors (609404464).

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

554004020 is a wasteful number, since it uses less digits than its factorization.

554004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27700210 (or 27700208 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 554004020 is about 23537.2899884417. The cubic root of 554004020 is about 821.3046947735.

Adding to 554004020 its reverse (20400455), we get a palindrome (574404475).

The spelling of 554004020 in words is "five hundred fifty-four million, four thousand, twenty".