5556861063 has 48 divisors (see below), whose sum is σ = 9111423776. Its totient is φ = 3363431040.

The previous prime is 5556861041. The next prime is 5556861083. The reversal of 5556861063 is 3601686555.

5556861063 is a `hidden beast` number, since 5 + 556 + 86 + 10 + 6 + 3 = 666.

It is not a de Polignac number, because 5556861063 - 2⁵ = 5556861031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556861083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178281 + ... + 207117.

Almost surely, 2^5556861063 is an apocalyptic number.

5556861063 is a deficient number, since it is larger than the sum of its proper divisors (3554562713).

5556861063 is a wasteful number, since it uses less digits than its factorization.

5556861063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28926 (or 28914 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 5556861063 is about 74544.3563457355. The cubic root of 5556861063 is about 1771.2363353062.

The spelling of 5556861063 in words is "five billion, five hundred fifty-six million, eight hundred sixty-one thousand, sixty-three".