56522421413 has 2 divisors, whose sum is σ = 56522421414. Its totient is φ = 56522421412.

The previous prime is 56522421401. The next prime is 56522421421. The reversal of 56522421413 is 31412422565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34435111489 + 22087309924 = 185567^2 + 148618^2 .

It is a cyclic number.

It is not a de Polignac number, because 56522421413 - 2¹⁴ = 56522405029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56522421013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28261210706 + 28261210707.

It is an arithmetic number, because the mean of its divisors is an integer number (28261210707).

Almost surely, 2^56522421413 is an apocalyptic number.

It is an amenable number.

56522421413 is a deficient number, since it is larger than the sum of its proper divisors (1).

56522421413 is an equidigital number, since it uses as much as digits as its factorization.

56522421413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

Adding to 56522421413 its reverse (31412422565), we get a palindrome (87934843978).

The spelling of 56522421413 in words is "fifty-six billion, five hundred twenty-two million, four hundred twenty-one thousand, four hundred thirteen".