8556061 has 12 divisors (see below), whose sum is σ = 9148572. Its totient is φ = 8000064.

The previous prime is 8556059. The next prime is 8556071. The reversal of 8556061 is 1606558.

It can be written as a sum of positive squares in 2 ways, for example, as 6579225 + 1976836 = 2565^2 + 1406^2 .

It is not a de Polignac number, because 8556061 - 2¹ = 8556059 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8556001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49371 + ... + 49543.

It is an arithmetic number, because the mean of its divisors is an integer number (762381).

Almost surely, 2^8556061 is an apocalyptic number.

It is an amenable number.

8556061 is a deficient number, since it is larger than the sum of its proper divisors (592511).

8556061 is a wasteful number, since it uses less digits than its factorization.

8556061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 8556061 is about 2925.0745289650. The cubic root of 8556061 is about 204.5304422413.

The spelling of 8556061 in words is "eight million, five hundred fifty-six thousand, sixty-one".