56427685 has 16 divisors (see below), whose sum is σ = 69637680. Its totient is φ = 43868160.

The previous prime is 56427673. The next prime is 56427727. The reversal of 56427685 is 58672465.

It can be written as a sum of positive squares in 8 ways, for example, as 2169729 + 54257956 = 1473^2 + 7366^2 .

It is not a de Polignac number, because 56427685 - 2⁷ = 56427557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83509 + ... + 84181.

It is an arithmetic number, because the mean of its divisors is an integer number (4352355).

Almost surely, 2^56427685 is an apocalyptic number.

It is an amenable number.

56427685 is a deficient number, since it is larger than the sum of its proper divisors (13209995).

56427685 is a wasteful number, since it uses less digits than its factorization.

56427685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its digits is 403200, while the sum is 43.

The square root of 56427685 is about 7511.8363267579. The cubic root of 56427685 is about 383.5577341860.

The spelling of 56427685 in words is "fifty-six million, four hundred twenty-seven thousand, six hundred eighty-five".