553445504 has 64 divisors (see below), whose sum is σ = 1172543040. Its totient is φ = 259623936.

The previous prime is 553445491. The next prime is 553445513. The reversal of 553445504 is 405544355.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154259 + ... + 157805.

It is an arithmetic number, because the mean of its divisors is an integer number (18320985).

Almost surely, 2^553445504 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 553445504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586271520).

553445504 is an abundant number, since it is smaller than the sum of its proper divisors (619097536).

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

553445504 is a wasteful number, since it uses less digits than its factorization.

553445504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 553445504 is about 23525.4225041762. The cubic root of 553445504 is about 821.0286040883.

Adding to 553445504 its reverse (405544355), we get a palindrome (958989859).

The spelling of 553445504 in words is "five hundred fifty-three million, four hundred forty-five thousand, five hundred four".