553632664 has 32 divisors (see below), whose sum is σ = 1124126640. Its totient is φ = 254102400.

The previous prime is 553632631. The next prime is 553632679. The reversal of 553632664 is 466236355.

It is a congruent number.

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, 4119 + ... + 33529.

Almost surely, 2^553632664 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 553632664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562063320).

553632664 is an abundant number, since it is smaller than the sum of its proper divisors (570493976).

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

553632664 is a wasteful number, since it uses less digits than its factorization.

553632664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29611 (or 29607 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The square root of 553632664 is about 23529.3999923500. The cubic root of 553632664 is about 821.1211433983.

The spelling of 553632664 in words is "five hundred fifty-three million, six hundred thirty-two thousand, six hundred sixty-four".