56414221 has 4 divisors (see below), whose sum is σ = 56429244. Its totient is φ = 56399200.

The previous prime is 56414209. The next prime is 56414263. The reversal of 56414221 is 12241465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 27405225 + 29008996 = 5235^2 + 5386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56414221 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 (56414291) 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, 3711 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (14107311).

Almost surely, 2^56414221 is an apocalyptic number.

It is an amenable number.

56414221 is a deficient number, since it is larger than the sum of its proper divisors (15023).

56414221 is an equidigital number, since it uses as much as digits as its factorization.

56414221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15022.

The product of its digits is 1920, while the sum is 25.

The square root of 56414221 is about 7510.9400876322. The cubic root of 56414221 is about 383.5272253313.

Adding to 56414221 its reverse (12241465), we get a palindrome (68655686).

The spelling of 56414221 in words is "fifty-six million, four hundred fourteen thousand, two hundred twenty-one".