5271554664 has 96 divisors (see below), whose sum is σ = 14647651200. Its totient is φ = 1711714560.

The previous prime is 5271554647. The next prime is 5271554689. The reversal of 5271554664 is 4664551725.

5271554664 is a `hidden beast` number, since 527 + 15 + 54 + 6 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3255247 + ... + 3256865.

It is an arithmetic number, because the mean of its divisors is an integer number (152579700).

Almost surely, 2^5271554664 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 5271554664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7323825600).

5271554664 is an abundant number, since it is smaller than the sum of its proper divisors (9376096536).

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

5271554664 is a wasteful number, since it uses less digits than its factorization.

5271554664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775 (or 2768 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 5271554664 is about 72605.4726862927. The cubic root of 5271554664 is about 1740.3886329695.

The spelling of 5271554664 in words is "five billion, two hundred seventy-one million, five hundred fifty-four thousand, six hundred sixty-four".