55321012441 has 2 divisors, whose sum is σ = 55321012442. Its totient is φ = 55321012440.

The previous prime is 55321012297. The next prime is 55321012457. The reversal of 55321012441 is 14421012355.

55321012441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33681425625 + 21639586816 = 183525^2 + 147104^2 .

It is a cyclic number.

It is not a de Polignac number, because 55321012441 - 2²⁷ = 55186794713 is a prime.

It is not a weakly prime, because it can be changed into another prime (55321013441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27660506220 + 27660506221.

It is an arithmetic number, because the mean of its divisors is an integer number (27660506221).

Almost surely, 2^55321012441 is an apocalyptic number.

It is an amenable number.

55321012441 is a deficient number, since it is larger than the sum of its proper divisors (1).

55321012441 is an equidigital number, since it uses as much as digits as its factorization.

55321012441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 55321012441 its reverse (14421012355), we get a palindrome (69742024796).

The spelling of 55321012441 in words is "fifty-five billion, three hundred twenty-one million, twelve thousand, four hundred forty-one".