56425685 has 4 divisors (see below), whose sum is σ = 67710828. Its totient is φ = 45140544.

The previous prime is 56425667. The next prime is 56425697. The reversal of 56425685 is 58652465.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26635921 + 29789764 = 5161^2 + 5458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56425685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5642564 + ... + 5642573.

It is an arithmetic number, because the mean of its divisors is an integer number (16927707).

Almost surely, 2^56425685 is an apocalyptic number.

It is an amenable number.

56425685 is a deficient number, since it is larger than the sum of its proper divisors (11285143).

56425685 is a wasteful number, since it uses less digits than its factorization.

56425685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285142.

The product of its digits is 288000, while the sum is 41.

The square root of 56425685 is about 7511.7032023370. The cubic root of 56425685 is about 383.5532025775.

The spelling of 56425685 in words is "fifty-six million, four hundred twenty-five thousand, six hundred eighty-five".