554135220 has 72 divisors (see below), whose sum is σ = 1685884200. Its totient is φ = 147329280.

The previous prime is 554135203. The next prime is 554135227. The reversal of 554135220 is 22531455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 132572196 + 421563024 = 11514^2 + 20532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554135227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58410 + ... + 67230.

Almost surely, 2^554135220 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 554135220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842942100).

554135220 is an abundant number, since it is smaller than the sum of its proper divisors (1131748980).

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

554135220 is a wasteful number, since it uses less digits than its factorization.

554135220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185 (or 9180 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 554135220 is about 23540.0768902737. The cubic root of 554135220 is about 821.3695238283.

Adding to 554135220 its reverse (22531455), we get a palindrome (576666675).

The spelling of 554135220 in words is "five hundred fifty-four million, one hundred thirty-five thousand, two hundred twenty".