555601161 has 8 divisors (see below), whose sum is σ = 740925504. Its totient is φ = 370338800.

The previous prime is 555601129. The next prime is 555601187. The reversal of 555601161 is 161106555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555601161 - 2⁵ = 555601129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555601121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12811 + ... + 35711.

It is an arithmetic number, because the mean of its divisors is an integer number (92615688).

Almost surely, 2^555601161 is an apocalyptic number.

It is an amenable number.

555601161 is a deficient number, since it is larger than the sum of its proper divisors (185324343).

555601161 is a wasteful number, since it uses less digits than its factorization.

555601161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30991.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 555601161 is about 23571.1934572690. The cubic root of 555601161 is about 822.0931853675.

The spelling of 555601161 in words is "five hundred fifty-five million, six hundred one thousand, one hundred sixty-one".