5561550164 has 24 divisors (see below), whose sum is σ = 10138867200. Its totient is φ = 2666377440.

The previous prime is 5561550157. The next prime is 5561550191. The reversal of 5561550164 is 4610551655.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 192224 + ... + 219255.

It is an arithmetic number, because the mean of its divisors is an integer number (422452800).

Almost surely, 2^5561550164 is an apocalyptic number.

It is an amenable number.

5561550164 is a deficient number, since it is larger than the sum of its proper divisors (4577317036).

5561550164 is a wasteful number, since it uses less digits than its factorization.

5561550164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411623 (or 411621 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 5561550164 is about 74575.8014640138. The cubic root of 5561550164 is about 1771.7344085229.

The spelling of 5561550164 in words is "five billion, five hundred sixty-one million, five hundred fifty thousand, one hundred sixty-four".