56228565 has 8 divisors (see below), whose sum is σ = 89965728. Its totient is φ = 29988560.

The previous prime is 56228561. The next prime is 56228569. The reversal of 56228565 is 56582265.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56228561) and next prime (56228569).

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

It is not a de Polignac number, because 56228565 - 2² = 56228561 is a prime.

It is a super-3 number, since 3×56228565³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56228561) 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 7 ways as a sum of consecutive naturals, for example, 1874271 + ... + 1874300.

It is an arithmetic number, because the mean of its divisors is an integer number (11245716).

Almost surely, 2^56228565 is an apocalyptic number.

It is an amenable number.

56228565 is a deficient number, since it is larger than the sum of its proper divisors (33737163).

56228565 is a wasteful number, since it uses less digits than its factorization.

56228565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748579.

The product of its digits is 144000, while the sum is 39.

The square root of 56228565 is about 7498.5708638380. The cubic root of 56228565 is about 383.1060408499.

The spelling of 56228565 in words is "fifty-six million, two hundred twenty-eight thousand, five hundred sixty-five".