159553 has 2 divisors, whose sum is σ = 159554. Its totient is φ = 159552.

The previous prime is 159541. The next prime is 159563. The reversal of 159553 is 355951.

159553 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 can be written as a sum of positive squares in only one way, i.e., 142129 + 17424 = 377^2 + 132^2 .

It is an emirp because it is prime and its reverse (355951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159553 - 2⁵ = 159521 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (159503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79776 + 79777.

It is an arithmetic number, because the mean of its divisors is an integer number (79777).

2¹⁵⁹⁵⁵³ is an apocalyptic number.

It is an amenable number.

159553 is a deficient number, since it is larger than the sum of its proper divisors (1).

159553 is an equidigital number, since it uses as much as digits as its factorization.

159553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375, while the sum is 28.

The square root of 159553 is about 399.4408592020. The cubic root of 159553 is about 54.2377491503.

The spelling of 159553 in words is "one hundred fifty-nine thousand, five hundred fifty-three".