56030165 has 4 divisors (see below), whose sum is σ = 67236204. Its totient is φ = 44824128.

The previous prime is 56030159. The next prime is 56030189. The reversal of 56030165 is 56103065.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37246609 + 18783556 = 6103^2 + 4334^2 .

It is a cyclic number.

It is not a de Polignac number, because 56030165 - 2⁶ = 56030101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 5603012 + ... + 5603021.

It is an arithmetic number, because the mean of its divisors is an integer number (16809051).

Almost surely, 2^56030165 is an apocalyptic number.

It is an amenable number.

56030165 is a deficient number, since it is larger than the sum of its proper divisors (11206039).

56030165 is a wasteful number, since it uses less digits than its factorization.

56030165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206038.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 56030165 is about 7485.3299860460. The cubic root of 56030165 is about 382.6549189489.

Subtracting 56030165 from its reverse (56103065), we obtain a square (72900 = 270²).

The spelling of 56030165 in words is "fifty-six million, thirty thousand, one hundred sixty-five".