5489731566 has 24 divisors (see below), whose sum is σ = 12975729624. Its totient is φ = 1663554960.

The previous prime is 5489731561. The next prime is 5489731589. The reversal of 5489731566 is 6651379845.

5489731566 is a `hidden beast` number, since 5 + 4 + 8 + 9 + 73 + 1 + 566 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5489731561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13862761 + ... + 13863156.

It is an arithmetic number, because the mean of its divisors is an integer number (540655401).

Almost surely, 2^5489731566 is an apocalyptic number.

5489731566 is an abundant number, since it is smaller than the sum of its proper divisors (7485998058).

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

5489731566 is a wasteful number, since it uses less digits than its factorization.

5489731566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725936 (or 27725933 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 5489731566 is about 74092.7227600660. The cubic root of 5489731566 is about 1764.0749636491.

The spelling of 5489731566 in words is "five billion, four hundred eighty-nine million, seven hundred thirty-one thousand, five hundred sixty-six".