55250159 has 2 divisors, whose sum is σ = 55250160. Its totient is φ = 55250158.

The previous prime is 55250101. The next prime is 55250177. The reversal of 55250159 is 95105255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55250159 - 2²⁰ = 54201583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55250359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625079 + 27625080.

It is an arithmetic number, because the mean of its divisors is an integer number (27625080).

Almost surely, 2^55250159 is an apocalyptic number.

55250159 is a deficient number, since it is larger than the sum of its proper divisors (1).

55250159 is an equidigital number, since it uses as much as digits as its factorization.

55250159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 55250159 is about 7433.0450691490. The cubic root of 55250159 is about 380.8709455143.

The spelling of 55250159 in words is "fifty-five million, two hundred fifty thousand, one hundred fifty-nine".