522256056 has 64 divisors (see below), whose sum is σ = 1503118080. Its totient is φ = 148120320.

The previous prime is 522256043. The next prime is 522256093. The reversal of 522256056 is 650652225.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11671 + ... + 34361.

It is an arithmetic number, because the mean of its divisors is an integer number (23486220).

Almost surely, 2^522256056 is an apocalyptic number.

522256056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522256056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751559040).

522256056 is an abundant number, since it is smaller than the sum of its proper divisors (980862024).

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

522256056 is a wasteful number, since it uses less digits than its factorization.

522256056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22844 (or 22840 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 522256056 is about 22852.9222639031. The cubic root of 522256056 is about 805.3064203894.

The spelling of 522256056 in words is "five hundred twenty-two million, two hundred fifty-six thousand, fifty-six".