553660604 has 72 divisors (see below), whose sum is σ = 1162909440. Its totient is φ = 229842144.

The previous prime is 553660603. The next prime is 553660621. The reversal of 553660604 is 406066355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553660603) 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, 1508429 + ... + 1508795.

It is an arithmetic number, because the mean of its divisors is an integer number (16151520).

Almost surely, 2^553660604 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 553660604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581454720).

553660604 is an abundant number, since it is smaller than the sum of its proper divisors (609248836).

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

553660604 is a wasteful number, since it uses less digits than its factorization.

553660604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 553660604 is about 23529.9937101564. The cubic root of 553660604 is about 821.1349562507.

The spelling of 553660604 in words is "five hundred fifty-three million, six hundred sixty thousand, six hundred four".