56785047 has 16 divisors (see below), whose sum is σ = 84830592. Its totient is φ = 33484320.

The previous prime is 56785037. The next prime is 56785073. The reversal of 56785047 is 74058765.

It is not a de Polignac number, because 56785047 - 2¹⁰ = 56784023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56785037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22033 + ... + 24474.

It is an arithmetic number, because the mean of its divisors is an integer number (5301912).

Almost surely, 2^56785047 is an apocalyptic number.

56785047 is a deficient number, since it is larger than the sum of its proper divisors (28045545).

56785047 is a wasteful number, since it uses less digits than its factorization.

56785047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46558.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 56785047 is about 7535.5853787214. The cubic root of 56785047 is about 384.3657336387.

The spelling of 56785047 in words is "fifty-six million, seven hundred eighty-five thousand, forty-seven".