56927647 has 4 divisors (see below), whose sum is σ = 65060176. Its totient is φ = 48795120.

The previous prime is 56927641. The next prime is 56927659. The reversal of 56927647 is 74672965.

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-56927647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56927597 and 56927606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56927641) 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, 4066254 + ... + 4066267.

It is an arithmetic number, because the mean of its divisors is an integer number (16265044).

Almost surely, 2^56927647 is an apocalyptic number.

56927647 is a deficient number, since it is larger than the sum of its proper divisors (8132529).

56927647 is an equidigital number, since it uses as much as digits as its factorization.

56927647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132528.

The product of its digits is 635040, while the sum is 46.

The square root of 56927647 is about 7545.0412192380. The cubic root of 56927647 is about 384.6872075706.

The spelling of 56927647 in words is "fifty-six million, nine hundred twenty-seven thousand, six hundred forty-seven".