56122165 has 16 divisors (see below), whose sum is σ = 74203776. Its totient is φ = 40408000.

The previous prime is 56122141. The next prime is 56122169.

56122165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56122165 - 2⁷ = 56122037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56122169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504 + ... + 10606.

It is an arithmetic number, because the mean of its divisors is an integer number (4637736).

Almost surely, 2^56122165 is an apocalyptic number.

56122165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56122165 is a deficient number, since it is larger than the sum of its proper divisors (18081611).

56122165 is a wasteful number, since it uses less digits than its factorization.

56122165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220.

The product of its digits is 3600, while the sum is 28.

The square root of 56122165 is about 7491.4728191458. The cubic root of 56122165 is about 382.8642407310.

It can be divided in two parts, 5612 and 2165, that added together give a palindrome (7777).

The spelling of 56122165 in words is "fifty-six million, one hundred twenty-two thousand, one hundred sixty-five".