56385047 has 2 divisors, whose sum is σ = 56385048. Its totient is φ = 56385046.

The previous prime is 56385031. The next prime is 56385053. The reversal of 56385047 is 74058365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56385047 - 2⁴ = 56385031 is a prime.

It is a Chen prime.

It is equal to p_3359954 and since 56385047 and 3359954 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56385047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56385097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28192523 + 28192524.

It is an arithmetic number, because the mean of its divisors is an integer number (28192524).

Almost surely, 2^56385047 is an apocalyptic number.

56385047 is a deficient number, since it is larger than the sum of its proper divisors (1).

56385047 is an equidigital number, since it uses as much as digits as its factorization.

56385047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 56385047 is about 7508.9977360497. The cubic root of 56385047 is about 383.4611016224.

The spelling of 56385047 in words is "fifty-six million, three hundred eighty-five thousand, forty-seven".