56246647 has 4 divisors (see below), whose sum is σ = 57200040. Its totient is φ = 55293256.

The previous prime is 56246611. The next prime is 56246653. The reversal of 56246647 is 74664265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56246647 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56246347) 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, 476608 + ... + 476725.

It is an arithmetic number, because the mean of its divisors is an integer number (14300010).

Almost surely, 2^56246647 is an apocalyptic number.

56246647 is a deficient number, since it is larger than the sum of its proper divisors (953393).

56246647 is an equidigital number, since it uses as much as digits as its factorization.

56246647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953392.

The product of its digits is 241920, while the sum is 40.

The square root of 56246647 is about 7499.7764633354. The cubic root of 56246647 is about 383.1471029032.

The spelling of 56246647 in words is "fifty-six million, two hundred forty-six thousand, six hundred forty-seven".