56000061 has 24 divisors (see below), whose sum is σ = 89145056. Its totient is φ = 33657120.

The previous prime is 56000059. The next prime is 56000071. The reversal of 56000061 is 16000065.

56000061 is a `hidden beast` number, since 5 + 600 + 0 + 0 + 61 = 666.

It is not a de Polignac number, because 56000061 - 2¹ = 56000059 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55999998 and 56000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535 + ... + 10596.

Almost surely, 2^56000061 is an apocalyptic number.

It is an amenable number.

56000061 is a deficient number, since it is larger than the sum of its proper divisors (33144995).

56000061 is a wasteful number, since it uses less digits than its factorization.

56000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193 (or 11190 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 56000061 is about 7483.3188492807. The cubic root of 56000061 is about 382.5863754697.

The spelling of 56000061 in words is "fifty-six million, sixty-one", and thus it is an aban number and an uban number.