159556055 has 4 divisors (see below), whose sum is σ = 191467272. Its totient is φ = 127644840.

The previous prime is 159556049. The next prime is 159556073. The reversal of 159556055 is 550655951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550655951 = 1451 ⋅379501.

It is not a de Polignac number, because 159556055 - 2¹⁶ = 159490519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 15955601 + ... + 15955610.

It is an arithmetic number, because the mean of its divisors is an integer number (47866818).

Almost surely, 2^159556055 is an apocalyptic number.

159556055 is a deficient number, since it is larger than the sum of its proper divisors (31911217).

159556055 is an equidigital number, since it uses as much as digits as its factorization.

159556055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31911216.

The product of its (nonzero) digits is 168750, while the sum is 41.

The square root of 159556055 is about 12631.5499840677. The cubic root of 159556055 is about 542.3809531585.

The spelling of 159556055 in words is "one hundred fifty-nine million, five hundred fifty-six thousand, fifty-five".