56316447 has 12 divisors (see below), whose sum is σ = 88741224. Its totient is φ = 34131120.

The previous prime is 56316433. The next prime is 56316451. The reversal of 56316447 is 74461365.

It is a happy number.

56316447 is a `hidden beast` number, since 5 + 6 + 3 + 1 + 644 + 7 = 666.

It is not a de Polignac number, because 56316447 - 2⁴ = 56316431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56316497) 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, 284328 + ... + 284525.

It is an arithmetic number, because the mean of its divisors is an integer number (7395102).

Almost surely, 2^56316447 is an apocalyptic number.

56316447 is a deficient number, since it is larger than the sum of its proper divisors (32424777).

56316447 is a wasteful number, since it uses less digits than its factorization.

56316447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568870 (or 568867 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 56316447 is about 7504.4284925636. The cubic root of 56316447 is about 383.3055278298.

The spelling of 56316447 in words is "fifty-six million, three hundred sixteen thousand, four hundred forty-seven".