56225201209 has 16 divisors (see below), whose sum is σ = 60687150480. Its totient is φ = 51892572160.

The previous prime is 56225201203. The next prime is 56225201213. The reversal of 56225201209 is 90210252265.

56225201209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3002711209 + 53222490000 = 54797^2 + 230700^2 .

It is a cyclic number.

It is not a de Polignac number, because 56225201209 - 2⁹ = 56225200697 is a prime.

It is a super-2 number, since 2×56225201209² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56225201203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849089 + ... + 1879249.

It is an arithmetic number, because the mean of its divisors is an integer number (3792946905).

Almost surely, 2^56225201209 is an apocalyptic number.

It is an amenable number.

56225201209 is a deficient number, since it is larger than the sum of its proper divisors (4461949271).

56225201209 is a wasteful number, since it uses less digits than its factorization.

56225201209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32300.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 56225201209 in words is "fifty-six billion, two hundred twenty-five million, two hundred one thousand, two hundred nine".