55163413 has 2 divisors, whose sum is σ = 55163414. Its totient is φ = 55163412.

The previous prime is 55163393. The next prime is 55163431. The reversal of 55163413 is 31436155.

55163413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (55163431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33837489 + 21325924 = 5817^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 55163413 - 2²¹ = 53066261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55163443) 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 as a sum of consecutive naturals, namely, 27581706 + 27581707.

It is an arithmetic number, because the mean of its divisors is an integer number (27581707).

Almost surely, 2^55163413 is an apocalyptic number.

It is an amenable number.

55163413 is a deficient number, since it is larger than the sum of its proper divisors (1).

55163413 is an equidigital number, since it uses as much as digits as its factorization.

55163413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 55163413 is about 7427.2076179409. The cubic root of 55163413 is about 380.6715111730.

Adding to 55163413 its reverse (31436155), we get a palindrome (86599568).

The spelling of 55163413 in words is "fifty-five million, one hundred sixty-three thousand, four hundred thirteen".