555505616 has 40 divisors (see below), whose sum is σ = 1113762048. Its totient is φ = 268128000.

The previous prime is 555505607. The next prime is 555505619. The reversal of 555505616 is 616505555.

It is a self number, because there is not a number n which added to its sum of digits gives 555505616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555505619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242396 + ... + 244676.

Almost surely, 2^555505616 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 555505616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556881024).

555505616 is an abundant number, since it is smaller than the sum of its proper divisors (558256432).

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

555505616 is a wasteful number, since it uses less digits than its factorization.

555505616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 555505616 is about 23569.1666377918. The cubic root of 555505616 is about 822.0460583984.

The spelling of 555505616 in words is "five hundred fifty-five million, five hundred five thousand, six hundred sixteen".