15550159 has 2 divisors, whose sum is σ = 15550160. Its totient is φ = 15550158.

The previous prime is 15550141. The next prime is 15550163. The reversal of 15550159 is 95105551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15550159 - 2⁹ = 15549647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15550159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15550559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7775079 + 7775080.

It is an arithmetic number, because the mean of its divisors is an integer number (7775080).

Almost surely, 2^15550159 is an apocalyptic number.

15550159 is a deficient number, since it is larger than the sum of its proper divisors (1).

15550159 is an equidigital number, since it uses as much as digits as its factorization.

15550159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5625, while the sum is 31.

The square root of 15550159 is about 3943.3689911039. The cubic root of 15550159 is about 249.6002090095.

The spelling of 15550159 in words is "fifteen million, five hundred fifty thousand, one hundred fifty-nine".