55103899 has 2 divisors, whose sum is σ = 55103900. Its totient is φ = 55103898.

The previous prime is 55103891. The next prime is 55103911. The reversal of 55103899 is 99830155.

55103899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55103899 - 2³ = 55103891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55103891) 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, 27551949 + 27551950.

It is an arithmetic number, because the mean of its divisors is an integer number (27551950).

Almost surely, 2^55103899 is an apocalyptic number.

55103899 is a deficient number, since it is larger than the sum of its proper divisors (1).

55103899 is an equidigital number, since it uses as much as digits as its factorization.

55103899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 55103899 is about 7423.2000511909. The cubic root of 55103899 is about 380.5345639023.

It can be divided in two parts, 5510 and 3899, that added together give a square (9409 = 97²).

The spelling of 55103899 in words is "fifty-five million, one hundred three thousand, eight hundred ninety-nine".