56052121 has 2 divisors, whose sum is σ = 56052122. Its totient is φ = 56052120.

The previous prime is 56052119. The next prime is 56052137. The reversal of 56052121 is 12125065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56025225 + 26896 = 7485^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 56052121 - 2¹ = 56052119 is a prime.

Together with 56052119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 56052092 and 56052101.

It is not a weakly prime, because it can be changed into another prime (56053121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28026060 + 28026061.

It is an arithmetic number, because the mean of its divisors is an integer number (28026061).

Almost surely, 2^56052121 is an apocalyptic number.

It is an amenable number.

56052121 is a deficient number, since it is larger than the sum of its proper divisors (1).

56052121 is an equidigital number, since it uses as much as digits as its factorization.

56052121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 56052121 is about 7486.7964444080. The cubic root of 56052121 is about 382.7048948516.

Adding to 56052121 its reverse (12125065), we get a palindrome (68177186).

The spelling of 56052121 in words is "fifty-six million, fifty-two thousand, one hundred twenty-one".