55019299 has 2 divisors, whose sum is σ = 55019300. Its totient is φ = 55019298.

The previous prime is 55019291. The next prime is 55019303. The reversal of 55019299 is 99291055.

55019299 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 is a cyclic number.

It is not a de Polignac number, because 55019299 - 2³ = 55019291 is a prime.

It is not a weakly prime, because it can be changed into another prime (55019291) 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, 27509649 + 27509650.

It is an arithmetic number, because the mean of its divisors is an integer number (27509650).

Almost surely, 2^55019299 is an apocalyptic number.

55019299 is a deficient number, since it is larger than the sum of its proper divisors (1).

55019299 is an equidigital number, since it uses as much as digits as its factorization.

55019299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 55019299 is about 7417.4995112909. The cubic root of 55019299 is about 380.3397215894.

The spelling of 55019299 in words is "fifty-five million, nineteen thousand, two hundred ninety-nine".