3006521056 has 96 divisors (see below), whose sum is σ = 7505084160. Its totient is φ = 1151462400.

The previous prime is 3006521047. The next prime is 3006521101. The reversal of 3006521056 is 6501256003.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 135036 + ... + 155716.

It is an arithmetic number, because the mean of its divisors is an integer number (78177960).

Almost surely, 2^3006521056 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 3006521056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3752542080).

3006521056 is an abundant number, since it is smaller than the sum of its proper divisors (4498563104).

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

3006521056 is a wasteful number, since it uses less digits than its factorization.

3006521056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20768 (or 20760 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 3006521056 is about 54831.7522608935. The cubic root of 3006521056 is about 1443.2938129668.

Adding to 3006521056 its reverse (6501256003), we get a palindrome (9507777059).

The spelling of 3006521056 in words is "three billion, six million, five hundred twenty-one thousand, fifty-six".