55204159 has 2 divisors, whose sum is σ = 55204160. Its totient is φ = 55204158.

The previous prime is 55204153. The next prime is 55204169. The reversal of 55204159 is 95140255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55204159 - 2⁹ = 55203647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55204159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55204153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27602079 + 27602080.

It is an arithmetic number, because the mean of its divisors is an integer number (27602080).

Almost surely, 2^55204159 is an apocalyptic number.

55204159 is a deficient number, since it is larger than the sum of its proper divisors (1).

55204159 is an equidigital number, since it uses as much as digits as its factorization.

55204159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 55204159 is about 7429.9501344222. The cubic root of 55204159 is about 380.7652147296.

The spelling of 55204159 in words is "fifty-five million, two hundred four thousand, one hundred fifty-nine".