56162201 has 4 divisors (see below), whose sum is σ = 56487012. Its totient is φ = 55837392.

The previous prime is 56162177. The next prime is 56162209. The reversal of 56162201 is 10226165.

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 40960000 + 15202201 = 6400^2 + 3899^2 .

It is a cyclic number.

It is not a de Polignac number, because 56162201 - 2⁶ = 56162137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56162209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162146 + ... + 162491.

It is an arithmetic number, because the mean of its divisors is an integer number (14121753).

Almost surely, 2^56162201 is an apocalyptic number.

It is an amenable number.

56162201 is a deficient number, since it is larger than the sum of its proper divisors (324811).

56162201 is a wasteful number, since it uses less digits than its factorization.

56162201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324810.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 56162201 is about 7494.1444475003. The cubic root of 56162201 is about 382.9552606768.

Adding to 56162201 its reverse (10226165), we get a palindrome (66388366).

The spelling of 56162201 in words is "fifty-six million, one hundred sixty-two thousand, two hundred one".