553504432 has 20 divisors (see below), whose sum is σ = 1154908720. Its totient is φ = 255463488.

The previous prime is 553504417. The next prime is 553504433. The reversal of 553504432 is 234405355.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 553504394 and 553504403.

It is not an unprimeable number, because it can be changed into a prime (553504433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330332 + ... + 1330747.

It is an arithmetic number, because the mean of its divisors is an integer number (57745436).

Almost surely, 2^553504432 is an apocalyptic number.

553504432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

553504432 is an abundant number, since it is smaller than the sum of its proper divisors (601404288).

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

553504432 is a wasteful number, since it uses less digits than its factorization.

553504432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661100 (or 2661094 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 553504432 is about 23526.6749031817. The cubic root of 553504432 is about 821.0577426732.

Adding to 553504432 its reverse (234405355), we get a palindrome (787909787).

The spelling of 553504432 in words is "five hundred fifty-three million, five hundred four thousand, four hundred thirty-two".