5565155904 has 672 divisors, whose sum is σ = 21579547392. Its totient is φ = 1338163200.

The previous prime is 5565155899. The next prime is 5565155909. The reversal of 5565155904 is 4095515655.

5565155904 is a `hidden beast` number, since 5 + 5 + 6 + 51 + 5 + 590 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (5565155899) and next prime (5565155909).

It is a tau number, because it is divible by the number of its divisors (672).

It is a self number, because there is not a number n which added to its sum of digits gives 5565155904.

It is not an unprimeable number, because it can be changed into a prime (5565155909) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91232034 + ... + 91232094.

Almost surely, 2^5565155904 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 5565155904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10789773696).

5565155904 is an abundant number, since it is smaller than the sum of its proper divisors (16014391488).

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

5565155904 is a wasteful number, since it uses less digits than its factorization.

5565155904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The square root of 5565155904 is about 74599.9725469118. The cubic root of 5565155904 is about 1772.1172174717.

The spelling of 5565155904 in words is "five billion, five hundred sixty-five million, one hundred fifty-five thousand, nine hundred four".