536805556 has 72 divisors (see below), whose sum is σ = 1182867840. Its totient is φ = 208384704.

The previous prime is 536805449. The next prime is 536805559. The reversal of 536805556 is 655508635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536805559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231330 + ... + 233638.

It is an arithmetic number, because the mean of its divisors is an integer number (16428720).

Almost surely, 2^536805556 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 536805556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591433920).

536805556 is an abundant number, since it is smaller than the sum of its proper divisors (646062284).

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

536805556 is a wasteful number, since it uses less digits than its factorization.

536805556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The square root of 536805556 is about 23169.0646336877. The cubic root of 536805556 is about 812.7163572459.

The spelling of 536805556 in words is "five hundred thirty-six million, eight hundred five thousand, five hundred fifty-six".