556061 has 4 divisors (see below), whose sum is σ = 606624. Its totient is φ = 505500.

The previous prime is 556051. The next prime is 556067. The reversal of 556061 is 160655.

556061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 556061 - 2¹⁴ = 539677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25265 + ... + 25286.

It is an arithmetic number, because the mean of its divisors is an integer number (151656).

2⁵⁵⁶⁰⁶¹ is an apocalyptic number.

It is an amenable number.

556061 is a deficient number, since it is larger than the sum of its proper divisors (50563).

556061 is a wasteful number, since it uses less digits than its factorization.

556061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50562.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 556061 is about 745.6949778562. The cubic root of 556061 is about 82.2319922514.

It can be divided in two parts, 55 and 6061, that added together give a palindrome (6116).

The spelling of 556061 in words is "five hundred fifty-six thousand, sixty-one".