56066913 has 12 divisors (see below), whose sum is σ = 92555008. Its totient is φ = 32038200.

The previous prime is 56066903. The next prime is 56066921. The reversal of 56066913 is 31966065.

56066913 is a `hidden beast` number, since 560 + 6 + 6 + 91 + 3 = 666.

56066913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56066913 - 2⁴ = 56066897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56066903) 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 11 ways as a sum of consecutive naturals, for example, 444913 + ... + 445038.

Almost surely, 2^56066913 is an apocalyptic number.

It is an amenable number.

56066913 is a deficient number, since it is larger than the sum of its proper divisors (36488095).

56066913 is a wasteful number, since it uses less digits than its factorization.

56066913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889964 (or 889961 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 56066913 is about 7487.7842516996. The cubic root of 56066913 is about 382.7385568125.

The spelling of 56066913 in words is "fifty-six million, sixty-six thousand, nine hundred thirteen".