5547257856 has 468 divisors, whose sum is σ = 19373942952. Its totient is φ = 1523515392.

The previous prime is 5547257813. The next prime is 5547257869. The reversal of 5547257856 is 6587527455.

5547257856 is a `hidden beast` number, since 5 + 547 + 25 + 78 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66834391 + ... + 66834473.

It is an arithmetic number, because the mean of its divisors is an integer number (41397314).

Almost surely, 2^5547257856 is an apocalyptic number.

5547257856 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 5547257856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9686971476).

5547257856 is an abundant number, since it is smaller than the sum of its proper divisors (13826685096).

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

5547257856 is a wasteful number, since it uses less digits than its factorization.

5547257856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 132 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 54.

The square root of 5547257856 is about 74479.9157894261. The cubic root of 5547257856 is about 1770.2154137902.

The spelling of 5547257856 in words is "five billion, five hundred forty-seven million, two hundred fifty-seven thousand, eight hundred fifty-six".