56036447 has 4 divisors (see below), whose sum is σ = 56666160. Its totient is φ = 55406736.

The previous prime is 56036443. The next prime is 56036459. The reversal of 56036447 is 74463065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74463065 = 5 ⋅14892613.

It is a cyclic number.

It is not a de Polignac number, because 56036447 - 2² = 56036443 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 (56036443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314723 + ... + 314900.

It is an arithmetic number, because the mean of its divisors is an integer number (14166540).

Almost surely, 2^56036447 is an apocalyptic number.

56036447 is a deficient number, since it is larger than the sum of its proper divisors (629713).

56036447 is an equidigital number, since it uses as much as digits as its factorization.

56036447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629712.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 56036447 is about 7485.7495950639. The cubic root of 56036447 is about 382.6692192719.

The spelling of 56036447 in words is "fifty-six million, thirty-six thousand, four hundred forty-seven".