55263899 has 2 divisors, whose sum is σ = 55263900. Its totient is φ = 55263898.

The previous prime is 55263877. The next prime is 55263911. The reversal of 55263899 is 99836255.

55263899 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 a de Polignac number, because none of the positive numbers 2^k-55263899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55263809) 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, 27631949 + 27631950.

It is an arithmetic number, because the mean of its divisors is an integer number (27631950).

Almost surely, 2^55263899 is an apocalyptic number.

55263899 is a deficient number, since it is larger than the sum of its proper divisors (1).

55263899 is an equidigital number, since it uses as much as digits as its factorization.

55263899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 47.

The square root of 55263899 is about 7433.9692627828. The cubic root of 55263899 is about 380.9025154569.

The spelling of 55263899 in words is "fifty-five million, two hundred sixty-three thousand, eight hundred ninety-nine".