56225111 has 4 divisors (see below), whose sum is σ = 56995392. Its totient is φ = 55454832.

The previous prime is 56225101. The next prime is 56225119. The reversal of 56225111 is 11152265.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56225111 - 2¹⁰ = 56224087 is a prime.

It is a super-2 number, since 2×56225111² = 6322526213924642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56225119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385031 + ... + 385176.

It is an arithmetic number, because the mean of its divisors is an integer number (14248848).

Almost surely, 2^56225111 is an apocalyptic number.

56225111 is a deficient number, since it is larger than the sum of its proper divisors (770281).

56225111 is an equidigital number, since it uses as much as digits as its factorization.

56225111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770280.

The product of its digits is 600, while the sum is 23.

The square root of 56225111 is about 7498.3405497483. The cubic root of 56225111 is about 383.0981962288.

Adding to 56225111 its reverse (11152265), we get a palindrome (67377376).

The spelling of 56225111 in words is "fifty-six million, two hundred twenty-five thousand, one hundred eleven".