56005505000 has 40 divisors (see below), whose sum is σ = 131220909930. Its totient is φ = 22402200000.

The previous prime is 56005504991. The next prime is 56005505047. The reversal of 56005505000 is 50550065.

It can be written as a sum of positive squares in 5 ways, for example, as 74200996 + 55931304004 = 8614^2 + 236498^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5595551 + ... + 5605550.

Almost surely, 2^56005505000 is an apocalyptic number.

56005505000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56005505000 is an abundant number, since it is smaller than the sum of its proper divisors (75215404930).

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

56005505000 is a wasteful number, since it uses less digits than its factorization.

56005505000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201127 (or 11201108 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 56005505000 in words is "fifty-six billion, five million, five hundred five thousand".