56322121 has 4 divisors (see below), whose sum is σ = 57520512. Its totient is φ = 55123732.

The previous prime is 56322113. The next prime is 56322127. The reversal of 56322121 is 12122365.

56322121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56322121 - 2³ = 56322113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56322092 and 56322101.

It is not an unprimeable number, because it can be changed into a prime (56322127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599125 + ... + 599218.

It is an arithmetic number, because the mean of its divisors is an integer number (14380128).

Almost surely, 2^56322121 is an apocalyptic number.

It is an amenable number.

56322121 is a deficient number, since it is larger than the sum of its proper divisors (1198391).

56322121 is a wasteful number, since it uses less digits than its factorization.

56322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198390.

The product of its digits is 720, while the sum is 22.

The square root of 56322121 is about 7504.8065264869. The cubic root of 56322121 is about 383.3184003425.

Adding to 56322121 its reverse (12122365), we get a palindrome (68444486).

The spelling of 56322121 in words is "fifty-six million, three hundred twenty-two thousand, one hundred twenty-one".