56827687 has 16 divisors (see below), whose sum is σ = 68014080. Its totient is φ = 46423872.

The previous prime is 56827637. The next prime is 56827703. The reversal of 56827687 is 78672865.

It is a cyclic number.

It is not a de Polignac number, because 56827687 - 2¹⁹ = 56303399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56827687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56827637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65418 + ... + 66280.

It is an arithmetic number, because the mean of its divisors is an integer number (4250880).

Almost surely, 2^56827687 is an apocalyptic number.

56827687 is a deficient number, since it is larger than the sum of its proper divisors (11186393).

56827687 is a wasteful number, since it uses less digits than its factorization.

56827687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its digits is 1128960, while the sum is 49.

The square root of 56827687 is about 7538.4140905100. The cubic root of 56827687 is about 384.4619165554.

The spelling of 56827687 in words is "fifty-six million, eight hundred twenty-seven thousand, six hundred eighty-seven".