5616805554 has 12 divisors (see below), whose sum is σ = 12169745406. Its totient is φ = 1872268512.

The previous prime is 5616805553. The next prime is 5616805561. The reversal of 5616805554 is 4555086165.

5616805554 is a `hidden beast` number, since 5 + 6 + 16 + 80 + 5 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3438063225 + 2178742329 = 58635^2 + 46677^2 .

It is not an unprimeable number, because it can be changed into a prime (5616805553) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 156022359 + ... + 156022394.

Almost surely, 2^5616805554 is an apocalyptic number.

5616805554 is an abundant number, since it is smaller than the sum of its proper divisors (6552939852).

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

5616805554 is a wasteful number, since it uses less digits than its factorization.

5616805554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312044761 (or 312044758 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 5616805554 is about 74945.3504495109. The cubic root of 5616805554 is about 1777.5826245367.

The spelling of 5616805554 in words is "five billion, six hundred sixteen million, eight hundred five thousand, five hundred fifty-four".