5155505556 has 96 divisors (see below), whose sum is σ = 12641341440. Its totient is φ = 1633716864.

The previous prime is 5155505521. The next prime is 5155505587. The reversal of 5155505556 is 6555055515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3612115 + ... + 3613541.

It is an arithmetic number, because the mean of its divisors is an integer number (131680640).

Almost surely, 2^5155505556 is an apocalyptic number.

It is an amenable number.

5155505556 is an abundant number, since it is smaller than the sum of its proper divisors (7485835884).

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

5155505556 is a wasteful number, since it uses less digits than its factorization.

5155505556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 42.

The square root of 5155505556 is about 71801.8492519517. The cubic root of 5155505556 is about 1727.5226613095.

The spelling of 5155505556 in words is "five billion, one hundred fifty-five million, five hundred five thousand, five hundred fifty-six".