5565381504 has 128 divisors (see below), whose sum is σ = 15633744000. Its totient is φ = 1749288960.

The previous prime is 5565381469. The next prime is 5565381539. The reversal of 5565381504 is 4051835655.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5565381469) and next prime (5565381539).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1669119 + ... + 1672449.

It is an arithmetic number, because the mean of its divisors is an integer number (122138625).

Almost surely, 2^5565381504 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 5565381504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7816872000).

5565381504 is an abundant number, since it is smaller than the sum of its proper divisors (10068362496).

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

5565381504 is a wasteful number, since it uses less digits than its factorization.

5565381504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The square root of 5565381504 is about 74601.4845964878. The cubic root of 5565381504 is about 1772.1411631466.

The spelling of 5565381504 in words is "five billion, five hundred sixty-five million, three hundred eighty-one thousand, five hundred four".