56027647 has 4 divisors (see below), whose sum is σ = 60337480. Its totient is φ = 51717816.

The previous prime is 56027641. The next prime is 56027663. The reversal of 56027647 is 74672065.

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

It is a cyclic number.

It is not a de Polignac number, because 56027647 - 2¹⁵ = 55994879 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 (56027641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154897 + ... + 2154922.

It is an arithmetic number, because the mean of its divisors is an integer number (15084370).

Almost surely, 2^56027647 is an apocalyptic number.

56027647 is a deficient number, since it is larger than the sum of its proper divisors (4309833).

56027647 is a wasteful number, since it uses less digits than its factorization.

56027647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309832.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 56027647 is about 7485.1617884986. The cubic root of 56027647 is about 382.6491866824.

The spelling of 56027647 in words is "fifty-six million, twenty-seven thousand, six hundred forty-seven".