5660439552 has 132 divisors (see below), whose sum is σ = 16416219456. Its totient is φ = 1878528000.

The previous prime is 5660439509. The next prime is 5660439563. The reversal of 5660439552 is 2559340665.

5660439552 is a `hidden beast` number, since 5 + 6 + 60 + 4 + 39 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5660439498 and 5660439507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2311993 + ... + 2314439.

Almost surely, 2^5660439552 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 5660439552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8208109728).

5660439552 is an abundant number, since it is smaller than the sum of its proper divisors (10755779904).

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

5660439552 is a wasteful number, since it uses less digits than its factorization.

5660439552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 5660439552 is about 75235.8927108598. The cubic root of 5660439552 is about 1782.1737899561.

The spelling of 5660439552 in words is "five billion, six hundred sixty million, four hundred thirty-nine thousand, five hundred fifty-two".