56005506112 has 28 divisors (see below), whose sum is σ = 117673335900. Its totient is φ = 26355531776.

The previous prime is 56005506101. The next prime is 56005506113. The reversal of 56005506112 is 21160550065.

It can be written as a sum of positive squares in 2 ways, for example, as 30897202176 + 25108303936 = 175776^2 + 158456^2 .

It is a super-2 number, since 2×56005506112² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56005506113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25736737 + ... + 25738912.

Almost surely, 2^56005506112 is an apocalyptic number.

It is an amenable number.

56005506112 is an abundant number, since it is smaller than the sum of its proper divisors (61667829788).

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

56005506112 is a wasteful number, since it uses less digits than its factorization.

56005506112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51475678 (or 51475668 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 56005506112 in words is "fifty-six billion, five million, five hundred six thousand, one hundred twelve".