56228245 has 8 divisors (see below), whose sum is σ = 69800760. Its totient is φ = 43431360.

The previous prime is 56228243. The next prime is 56228257. The reversal of 56228245 is 54282265.

It can be written as a sum of positive squares in 4 ways, for example, as 13704804 + 42523441 = 3702^2 + 6521^2 .

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

It is not a de Polignac number, because 56228245 - 2¹ = 56228243 is a prime.

It is a super-3 number, since 3×56228245³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56228245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56228243) 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, 193746 + ... + 194035.

It is an arithmetic number, because the mean of its divisors is an integer number (8725095).

Almost surely, 2^56228245 is an apocalyptic number.

It is an amenable number.

56228245 is a deficient number, since it is larger than the sum of its proper divisors (13572515).

56228245 is a wasteful number, since it uses less digits than its factorization.

56228245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387815.

The product of its digits is 38400, while the sum is 34.

The square root of 56228245 is about 7498.5495264084. The cubic root of 56228245 is about 383.1053140890.

The spelling of 56228245 in words is "fifty-six million, two hundred twenty-eight thousand, two hundred forty-five".