5565131520 has 576 divisors, whose sum is σ = 20669451264. Its totient is φ = 1265172480.

The previous prime is 5565131519. The next prime is 5565131569. The reversal of 5565131520 is 251315655.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42481855 + ... + 42481985.

It is an arithmetic number, because the mean of its divisors is an integer number (35884464).

Almost surely, 2^5565131520 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 5565131520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10334725632).

5565131520 is an abundant number, since it is smaller than the sum of its proper divisors (15104319744).

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

5565131520 is a wasteful number, since it uses less digits than its factorization.

5565131520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 5565131520 is about 74599.8091150373. The cubic root of 5565131520 is about 1772.1146292621.

The spelling of 5565131520 in words is "five billion, five hundred sixty-five million, one hundred thirty-one thousand, five hundred twenty".