556685061 has 8 divisors (see below), whose sum is σ = 758039424. Its totient is φ = 363227040.

The previous prime is 556685053. The next prime is 556685071. The reversal of 556685061 is 160586655.

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

It is not a de Polignac number, because 556685061 - 2³ = 556685053 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556685021) 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, 1973920 + ... + 1974201.

It is an arithmetic number, because the mean of its divisors is an integer number (94754928).

Almost surely, 2^556685061 is an apocalyptic number.

It is an amenable number.

556685061 is a deficient number, since it is larger than the sum of its proper divisors (201354363).

556685061 is a wasteful number, since it uses less digits than its factorization.

556685061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948171.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 556685061 is about 23594.1743021450. The cubic root of 556685061 is about 822.6274343004.

The spelling of 556685061 in words is "five hundred fifty-six million, six hundred eighty-five thousand, sixty-one".