56255605220 has 12 divisors (see below), whose sum is σ = 118136771004. Its totient is φ = 22502242080.

The previous prime is 56255605201. The next prime is 56255605229. The reversal of 56255605220 is 2250655265.

It can be written as a sum of positive squares in 2 ways, for example, as 34479290596 + 21776314624 = 185686^2 + 147568^2 .

It is not an unprimeable number, because it can be changed into a prime (56255605229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406390111 + ... + 1406390150.

It is an arithmetic number, because the mean of its divisors is an integer number (9844730917).

Almost surely, 2^56255605220 is an apocalyptic number.

It is an amenable number.

56255605220 is an abundant number, since it is smaller than the sum of its proper divisors (61881165784).

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

56255605220 is a wasteful number, since it uses less digits than its factorization.

56255605220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812780270 (or 2812780268 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 56255605220 in words is "fifty-six billion, two hundred fifty-five million, six hundred five thousand, two hundred twenty".