5531686864 has 40 divisors (see below), whose sum is σ = 11697188832. Its totient is φ = 2513281920.

The previous prime is 5531686861. The next prime is 5531686871. The reversal of 5531686864 is 4686861355.

It is a super-2 number, since 2×5531686864² = 61199119122700308992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531686861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487722 + ... + 498934.

Almost surely, 2^5531686864 is an apocalyptic number.

It is an amenable number.

5531686864 is an abundant number, since it is smaller than the sum of its proper divisors (6165501968).

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

5531686864 is a wasteful number, since it uses less digits than its factorization.

5531686864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14035 (or 14029 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The square root of 5531686864 is about 74375.3108497706. The cubic root of 5531686864 is about 1768.5575471760.

The spelling of 5531686864 in words is "five billion, five hundred thirty-one million, six hundred eighty-six thousand, eight hundred sixty-four".