56561227 has 8 divisors (see below), whose sum is σ = 60733152. Its totient is φ = 52483200.

The previous prime is 56561207. The next prime is 56561231. The reversal of 56561227 is 72216565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56561227 - 2¹¹ = 56559179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56561192 and 56561201.

It is not an unprimeable number, because it can be changed into a prime (56561207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22224 + ... + 24637.

It is an arithmetic number, because the mean of its divisors is an integer number (7591644).

Almost surely, 2^56561227 is an apocalyptic number.

56561227 is a deficient number, since it is larger than the sum of its proper divisors (4171925).

56561227 is a wasteful number, since it uses less digits than its factorization.

56561227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46949.

The product of its digits is 25200, while the sum is 34.

The square root of 56561227 is about 7520.7198458658. The cubic root of 56561227 is about 383.8600722630.

The spelling of 56561227 in words is "fifty-six million, five hundred sixty-one thousand, two hundred twenty-seven".