552776656 has 40 divisors (see below), whose sum is σ = 1112908680. Its totient is φ = 265660416.

The previous prime is 552776629. The next prime is 552776669. The reversal of 552776656 is 656677255.

It can be written as a sum of positive squares in 4 ways, for example, as 5216656 + 547560000 = 2284^2 + 23400^2 .

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, 105556 + ... + 110668.

It is an arithmetic number, because the mean of its divisors is an integer number (27822717).

Almost surely, 2^552776656 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 552776656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556454340).

552776656 is an abundant number, since it is smaller than the sum of its proper divisors (560132024).

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

552776656 is a wasteful number, since it uses less digits than its factorization.

552776656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383 (or 5377 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 49.

The square root of 552776656 is about 23511.2027765489. The cubic root of 552776656 is about 820.6977285695.

The spelling of 552776656 in words is "five hundred fifty-two million, seven hundred seventy-six thousand, six hundred fifty-six".