56440201 has 4 divisors (see below), whose sum is σ = 56458512. Its totient is φ = 56421892.

The previous prime is 56440199. The next prime is 56440211. The reversal of 56440201 is 10204465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56440201 - 2¹ = 56440199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56440211) 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, 3271 + ... + 11116.

It is an arithmetic number, because the mean of its divisors is an integer number (14114628).

Almost surely, 2^56440201 is an apocalyptic number.

It is an amenable number.

56440201 is a deficient number, since it is larger than the sum of its proper divisors (18311).

56440201 is a wasteful number, since it uses less digits than its factorization.

56440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18310.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 56440201 is about 7512.6693658113. The cubic root of 56440201 is about 383.5860905606.

Adding to 56440201 its reverse (10204465), we get a palindrome (66644666).

The spelling of 56440201 in words is "fifty-six million, four hundred forty thousand, two hundred one".