56071047 has 12 divisors (see below), whose sum is σ = 76394936. Its totient is φ = 36581040.

The previous prime is 56071039. The next prime is 56071051. The reversal of 56071047 is 74017065.

It is a happy number.

It is not a de Polignac number, because 56071047 - 2³ = 56071039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56071247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2397 + ... + 10857.

Almost surely, 2^56071047 is an apocalyptic number.

56071047 is a deficient number, since it is larger than the sum of its proper divisors (20323889).

56071047 is an equidigital number, since it uses as much as digits as its factorization.

56071047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558 (or 8511 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 56071047 is about 7488.0602962316. The cubic root of 56071047 is about 382.7479634436.

The spelling of 56071047 in words is "fifty-six million, seventy-one thousand, forty-seven".