5285081856 has 144 divisors (see below), whose sum is σ = 14947559424. Its totient is φ = 1652047872.

The previous prime is 5285081833. The next prime is 5285081891. The reversal of 5285081856 is 6581805825.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 4791001 + ... + 4792103.

It is an arithmetic number, because the mean of its divisors is an integer number (103802496).

Almost surely, 2^5285081856 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 5285081856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7473779712).

5285081856 is an abundant number, since it is smaller than the sum of its proper divisors (9662477568).

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

5285081856 is a wasteful number, since it uses less digits than its factorization.

5285081856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The square root of 5285081856 is about 72698.5684590832. The cubic root of 5285081856 is about 1741.8760159799.

The spelling of 5285081856 in words is "five billion, two hundred eighty-five million, eighty-one thousand, eight hundred fifty-six".