55451339 has 2 divisors, whose sum is σ = 55451340. Its totient is φ = 55451338.

The previous prime is 55451317. The next prime is 55451353. The reversal of 55451339 is 93315455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55451339 - 2⁸ = 55451083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55451299 and 55451308.

It is not a weakly prime, because it can be changed into another prime (55451369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27725669 + 27725670.

It is an arithmetic number, because the mean of its divisors is an integer number (27725670).

Almost surely, 2^55451339 is an apocalyptic number.

55451339 is a deficient number, since it is larger than the sum of its proper divisors (1).

55451339 is an equidigital number, since it uses as much as digits as its factorization.

55451339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 35.

The square root of 55451339 is about 7446.5655842140. The cubic root of 55451339 is about 381.3326684837.

The spelling of 55451339 in words is "fifty-five million, four hundred fifty-one thousand, three hundred thirty-nine".