552635664 has 80 divisors (see below), whose sum is σ = 1662429312. Its totient is φ = 154911744.

The previous prime is 552635659. The next prime is 552635747. The reversal of 552635664 is 466536255.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292 + ... + 33324.

Almost surely, 2^552635664 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 552635664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831214656).

552635664 is an abundant number, since it is smaller than the sum of its proper divisors (1109793648).

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

552635664 is a wasteful number, since it uses less digits than its factorization.

552635664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31104 (or 31098 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The square root of 552635664 is about 23508.2041849223. The cubic root of 552635664 is about 820.6279465264.

The spelling of 552635664 in words is "five hundred fifty-two million, six hundred thirty-five thousand, six hundred sixty-four".