555161001 has 8 divisors (see below), whose sum is σ = 740490144. Its totient is φ = 369969600.

The previous prime is 555160967. The next prime is 555161017. The reversal of 555161001 is 100161555.

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

It is not a de Polignac number, because 555161001 - 2¹⁷ = 555029929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555161071) 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, 24631 + ... + 41436.

It is an arithmetic number, because the mean of its divisors is an integer number (92561268).

Almost surely, 2^555161001 is an apocalyptic number.

It is an amenable number.

555161001 is a deficient number, since it is larger than the sum of its proper divisors (185329143).

555161001 is a wasteful number, since it uses less digits than its factorization.

555161001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68871.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 555161001 is about 23561.8547869220. The cubic root of 555161001 is about 821.8760343127.

The spelling of 555161001 in words is "five hundred fifty-five million, one hundred sixty-one thousand, one".