56344221 has 8 divisors (see below), whose sum is σ = 83472960. Its totient is φ = 37562796.

The previous prime is 56344213. The next prime is 56344231. The reversal of 56344221 is 12244365.

56344221 is a `hidden beast` number, since 5 + 634 + 4 + 2 + 21 = 666.

It is not a de Polignac number, because 56344221 - 2³ = 56344213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2086823 = 56344221 / (5 + 6 + 3 + 4 + 4 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56344231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043385 + ... + 1043438.

It is an arithmetic number, because the mean of its divisors is an integer number (10434120).

Almost surely, 2^56344221 is an apocalyptic number.

It is an amenable number.

56344221 is a deficient number, since it is larger than the sum of its proper divisors (27128739).

56344221 is a wasteful number, since it uses less digits than its factorization.

56344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086832 (or 2086826 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 56344221 is about 7506.2787718016. The cubic root of 56344221 is about 383.3685300175.

Adding to 56344221 its reverse (12244365), we get a palindrome (68588586).

It can be divided in two parts, 56344 and 221, that added together give a palindrome (56565).

The spelling of 56344221 in words is "fifty-six million, three hundred forty-four thousand, two hundred twenty-one".