56109225 has 24 divisors (see below), whose sum is σ = 95763712. Its totient is φ = 28958400.

The previous prime is 56109199. The next prime is 56109233. The reversal of 56109225 is 52290165.

It is a happy number.

It is not a de Polignac number, because 56109225 - 2⁹ = 56108713 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56109192 and 56109201.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9742 + ... + 14391.

Almost surely, 2^56109225 is an apocalyptic number.

It is an amenable number.

56109225 is a deficient number, since it is larger than the sum of its proper divisors (39654487).

56109225 is a wasteful number, since it uses less digits than its factorization.

56109225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24177 (or 24172 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56109225 is about 7490.6091207591. The cubic root of 56109225 is about 382.8348129990.

The spelling of 56109225 in words is "fifty-six million, one hundred nine thousand, two hundred twenty-five".