56055505556 has 12 divisors (see below), whose sum is σ = 98138213460. Its totient is φ = 28016016000.

The previous prime is 56055505547. The next prime is 56055505589. The reversal of 56055505556 is 65550555065.

It can be written as a sum of positive squares in 2 ways, for example, as 31495600900 + 24559904656 = 177470^2 + 156716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56055505556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923445 + ... + 2942556.

It is an arithmetic number, because the mean of its divisors is an integer number (8178184455).

Almost surely, 2^56055505556 is an apocalyptic number.

It is an amenable number.

56055505556 is a deficient number, since it is larger than the sum of its proper divisors (42082707904).

56055505556 is a wasteful number, since it uses less digits than its factorization.

56055505556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868394 (or 5868392 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 47.

The spelling of 56055505556 in words is "fifty-six billion, fifty-five million, five hundred five thousand, five hundred fifty-six".