55556099 has 2 divisors, whose sum is σ = 55556100. Its totient is φ = 55556098.

The previous prime is 55556077. The next prime is 55556113. The reversal of 55556099 is 99065555.

55556099 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-55556099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55556069) 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, 27778049 + 27778050.

It is an arithmetic number, because the mean of its divisors is an integer number (27778050).

Almost surely, 2^55556099 is an apocalyptic number.

55556099 is a deficient number, since it is larger than the sum of its proper divisors (1).

55556099 is an equidigital number, since it uses as much as digits as its factorization.

55556099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 55556099 is about 7453.5963802717. The cubic root of 55556099 is about 381.5726583576.

The spelling of 55556099 in words is "fifty-five million, five hundred fifty-six thousand, ninety-nine".